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387 lines
11 KiB
Python
387 lines
11 KiB
Python
""" Convert between different units of temperature """
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def celsius_to_fahrenheit(celsius: float, ndigits: int = 2) -> float:
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"""
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Convert a given value from Celsius to Fahrenheit and round it to 2 decimal places.
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Wikipedia reference: https://en.wikipedia.org/wiki/Celsius
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Wikipedia reference: https://en.wikipedia.org/wiki/Fahrenheit
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>>> celsius_to_fahrenheit(273.354, 3)
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524.037
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>>> celsius_to_fahrenheit(273.354, 0)
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524.0
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>>> celsius_to_fahrenheit(-40.0)
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-40.0
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>>> celsius_to_fahrenheit(-20.0)
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-4.0
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>>> celsius_to_fahrenheit(0)
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32.0
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>>> celsius_to_fahrenheit(20)
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68.0
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>>> celsius_to_fahrenheit("40")
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104.0
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>>> celsius_to_fahrenheit("celsius")
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Traceback (most recent call last):
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...
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ValueError: could not convert string to float: 'celsius'
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"""
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return round((float(celsius) * 9 / 5) + 32, ndigits)
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def celsius_to_kelvin(celsius: float, ndigits: int = 2) -> float:
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"""
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Convert a given value from Celsius to Kelvin and round it to 2 decimal places.
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Wikipedia reference: https://en.wikipedia.org/wiki/Celsius
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Wikipedia reference: https://en.wikipedia.org/wiki/Kelvin
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>>> celsius_to_kelvin(273.354, 3)
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546.504
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>>> celsius_to_kelvin(273.354, 0)
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547.0
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>>> celsius_to_kelvin(0)
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273.15
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>>> celsius_to_kelvin(20.0)
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293.15
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>>> celsius_to_kelvin("40")
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313.15
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>>> celsius_to_kelvin("celsius")
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Traceback (most recent call last):
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...
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ValueError: could not convert string to float: 'celsius'
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"""
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return round(float(celsius) + 273.15, ndigits)
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def celsius_to_rankine(celsius: float, ndigits: int = 2) -> float:
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"""
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Convert a given value from Celsius to Rankine and round it to 2 decimal places.
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Wikipedia reference: https://en.wikipedia.org/wiki/Celsius
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Wikipedia reference: https://en.wikipedia.org/wiki/Rankine_scale
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>>> celsius_to_rankine(273.354, 3)
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983.707
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>>> celsius_to_rankine(273.354, 0)
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984.0
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>>> celsius_to_rankine(0)
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491.67
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>>> celsius_to_rankine(20.0)
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527.67
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>>> celsius_to_rankine("40")
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563.67
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>>> celsius_to_rankine("celsius")
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Traceback (most recent call last):
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...
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ValueError: could not convert string to float: 'celsius'
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"""
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return round((float(celsius) * 9 / 5) + 491.67, ndigits)
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def fahrenheit_to_celsius(fahrenheit: float, ndigits: int = 2) -> float:
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"""
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Convert a given value from Fahrenheit to Celsius and round it to 2 decimal places.
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Wikipedia reference: https://en.wikipedia.org/wiki/Fahrenheit
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Wikipedia reference: https://en.wikipedia.org/wiki/Celsius
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>>> fahrenheit_to_celsius(273.354, 3)
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134.086
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>>> fahrenheit_to_celsius(273.354, 0)
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134.0
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>>> fahrenheit_to_celsius(0)
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-17.78
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>>> fahrenheit_to_celsius(20.0)
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-6.67
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>>> fahrenheit_to_celsius(40.0)
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4.44
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>>> fahrenheit_to_celsius(60)
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15.56
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>>> fahrenheit_to_celsius(80)
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26.67
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>>> fahrenheit_to_celsius("100")
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37.78
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>>> fahrenheit_to_celsius("fahrenheit")
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Traceback (most recent call last):
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...
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ValueError: could not convert string to float: 'fahrenheit'
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"""
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return round((float(fahrenheit) - 32) * 5 / 9, ndigits)
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def fahrenheit_to_kelvin(fahrenheit: float, ndigits: int = 2) -> float:
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"""
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Convert a given value from Fahrenheit to Kelvin and round it to 2 decimal places.
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Wikipedia reference: https://en.wikipedia.org/wiki/Fahrenheit
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Wikipedia reference: https://en.wikipedia.org/wiki/Kelvin
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>>> fahrenheit_to_kelvin(273.354, 3)
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407.236
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>>> fahrenheit_to_kelvin(273.354, 0)
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407.0
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>>> fahrenheit_to_kelvin(0)
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255.37
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>>> fahrenheit_to_kelvin(20.0)
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266.48
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>>> fahrenheit_to_kelvin(40.0)
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277.59
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>>> fahrenheit_to_kelvin(60)
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288.71
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>>> fahrenheit_to_kelvin(80)
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299.82
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>>> fahrenheit_to_kelvin("100")
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310.93
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>>> fahrenheit_to_kelvin("fahrenheit")
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Traceback (most recent call last):
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...
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ValueError: could not convert string to float: 'fahrenheit'
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"""
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return round(((float(fahrenheit) - 32) * 5 / 9) + 273.15, ndigits)
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def fahrenheit_to_rankine(fahrenheit: float, ndigits: int = 2) -> float:
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"""
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Convert a given value from Fahrenheit to Rankine and round it to 2 decimal places.
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Wikipedia reference: https://en.wikipedia.org/wiki/Fahrenheit
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Wikipedia reference: https://en.wikipedia.org/wiki/Rankine_scale
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>>> fahrenheit_to_rankine(273.354, 3)
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733.024
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>>> fahrenheit_to_rankine(273.354, 0)
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733.0
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>>> fahrenheit_to_rankine(0)
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459.67
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>>> fahrenheit_to_rankine(20.0)
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479.67
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>>> fahrenheit_to_rankine(40.0)
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499.67
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>>> fahrenheit_to_rankine(60)
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519.67
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>>> fahrenheit_to_rankine(80)
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539.67
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>>> fahrenheit_to_rankine("100")
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559.67
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>>> fahrenheit_to_rankine("fahrenheit")
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Traceback (most recent call last):
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...
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ValueError: could not convert string to float: 'fahrenheit'
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"""
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return round(float(fahrenheit) + 459.67, ndigits)
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def kelvin_to_celsius(kelvin: float, ndigits: int = 2) -> float:
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"""
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Convert a given value from Kelvin to Celsius and round it to 2 decimal places.
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Wikipedia reference: https://en.wikipedia.org/wiki/Kelvin
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Wikipedia reference: https://en.wikipedia.org/wiki/Celsius
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>>> kelvin_to_celsius(273.354, 3)
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0.204
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>>> kelvin_to_celsius(273.354, 0)
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0.0
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>>> kelvin_to_celsius(273.15)
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0.0
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>>> kelvin_to_celsius(300)
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26.85
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>>> kelvin_to_celsius("315.5")
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42.35
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>>> kelvin_to_celsius("kelvin")
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Traceback (most recent call last):
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...
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ValueError: could not convert string to float: 'kelvin'
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"""
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return round(float(kelvin) - 273.15, ndigits)
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def kelvin_to_fahrenheit(kelvin: float, ndigits: int = 2) -> float:
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"""
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Convert a given value from Kelvin to Fahrenheit and round it to 2 decimal places.
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Wikipedia reference: https://en.wikipedia.org/wiki/Kelvin
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Wikipedia reference: https://en.wikipedia.org/wiki/Fahrenheit
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>>> kelvin_to_fahrenheit(273.354, 3)
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32.367
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>>> kelvin_to_fahrenheit(273.354, 0)
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32.0
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>>> kelvin_to_fahrenheit(273.15)
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32.0
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>>> kelvin_to_fahrenheit(300)
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80.33
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>>> kelvin_to_fahrenheit("315.5")
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108.23
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>>> kelvin_to_fahrenheit("kelvin")
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Traceback (most recent call last):
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...
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ValueError: could not convert string to float: 'kelvin'
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"""
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return round(((float(kelvin) - 273.15) * 9 / 5) + 32, ndigits)
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def kelvin_to_rankine(kelvin: float, ndigits: int = 2) -> float:
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"""
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Convert a given value from Kelvin to Rankine and round it to 2 decimal places.
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Wikipedia reference: https://en.wikipedia.org/wiki/Kelvin
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Wikipedia reference: https://en.wikipedia.org/wiki/Rankine_scale
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>>> kelvin_to_rankine(273.354, 3)
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492.037
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>>> kelvin_to_rankine(273.354, 0)
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492.0
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>>> kelvin_to_rankine(0)
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0.0
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>>> kelvin_to_rankine(20.0)
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36.0
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>>> kelvin_to_rankine("40")
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72.0
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>>> kelvin_to_rankine("kelvin")
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Traceback (most recent call last):
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...
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ValueError: could not convert string to float: 'kelvin'
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"""
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return round((float(kelvin) * 9 / 5), ndigits)
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def rankine_to_celsius(rankine: float, ndigits: int = 2) -> float:
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"""
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Convert a given value from Rankine to Celsius and round it to 2 decimal places.
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Wikipedia reference: https://en.wikipedia.org/wiki/Rankine_scale
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Wikipedia reference: https://en.wikipedia.org/wiki/Celsius
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>>> rankine_to_celsius(273.354, 3)
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-121.287
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>>> rankine_to_celsius(273.354, 0)
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-121.0
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>>> rankine_to_celsius(273.15)
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-121.4
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>>> rankine_to_celsius(300)
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-106.48
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>>> rankine_to_celsius("315.5")
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-97.87
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>>> rankine_to_celsius("rankine")
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Traceback (most recent call last):
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...
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ValueError: could not convert string to float: 'rankine'
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"""
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return round((float(rankine) - 491.67) * 5 / 9, ndigits)
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def rankine_to_fahrenheit(rankine: float, ndigits: int = 2) -> float:
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"""
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Convert a given value from Rankine to Fahrenheit and round it to 2 decimal places.
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Wikipedia reference: https://en.wikipedia.org/wiki/Rankine_scale
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Wikipedia reference: https://en.wikipedia.org/wiki/Fahrenheit
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>>> rankine_to_fahrenheit(273.15)
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-186.52
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>>> rankine_to_fahrenheit(300)
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-159.67
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>>> rankine_to_fahrenheit("315.5")
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-144.17
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>>> rankine_to_fahrenheit("rankine")
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Traceback (most recent call last):
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...
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ValueError: could not convert string to float: 'rankine'
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"""
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return round(float(rankine) - 459.67, ndigits)
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def rankine_to_kelvin(rankine: float, ndigits: int = 2) -> float:
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"""
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Convert a given value from Rankine to Kelvin and round it to 2 decimal places.
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Wikipedia reference: https://en.wikipedia.org/wiki/Rankine_scale
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Wikipedia reference: https://en.wikipedia.org/wiki/Kelvin
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>>> rankine_to_kelvin(0)
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0.0
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>>> rankine_to_kelvin(20.0)
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11.11
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>>> rankine_to_kelvin("40")
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22.22
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>>> rankine_to_kelvin("rankine")
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Traceback (most recent call last):
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...
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ValueError: could not convert string to float: 'rankine'
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"""
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return round((float(rankine) * 5 / 9), ndigits)
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def reaumur_to_kelvin(reaumur: float, ndigits: int = 2) -> float:
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"""
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Convert a given value from reaumur to Kelvin and round it to 2 decimal places.
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Reference:- http://www.csgnetwork.com/temp2conv.html
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>>> reaumur_to_kelvin(0)
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273.15
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>>> reaumur_to_kelvin(20.0)
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298.15
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>>> reaumur_to_kelvin(40)
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323.15
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>>> reaumur_to_kelvin("reaumur")
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Traceback (most recent call last):
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...
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ValueError: could not convert string to float: 'reaumur'
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"""
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return round((float(reaumur) * 1.25 + 273.15), ndigits)
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def reaumur_to_fahrenheit(reaumur: float, ndigits: int = 2) -> float:
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"""
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Convert a given value from reaumur to fahrenheit and round it to 2 decimal places.
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Reference:- http://www.csgnetwork.com/temp2conv.html
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>>> reaumur_to_fahrenheit(0)
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32.0
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>>> reaumur_to_fahrenheit(20.0)
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77.0
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>>> reaumur_to_fahrenheit(40)
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122.0
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>>> reaumur_to_fahrenheit("reaumur")
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Traceback (most recent call last):
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...
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ValueError: could not convert string to float: 'reaumur'
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"""
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return round((float(reaumur) * 2.25 + 32), ndigits)
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def reaumur_to_celsius(reaumur: float, ndigits: int = 2) -> float:
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"""
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Convert a given value from reaumur to celsius and round it to 2 decimal places.
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Reference:- http://www.csgnetwork.com/temp2conv.html
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>>> reaumur_to_celsius(0)
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0.0
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>>> reaumur_to_celsius(20.0)
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25.0
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>>> reaumur_to_celsius(40)
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50.0
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>>> reaumur_to_celsius("reaumur")
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Traceback (most recent call last):
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...
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ValueError: could not convert string to float: 'reaumur'
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"""
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return round((float(reaumur) * 1.25), ndigits)
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def reaumur_to_rankine(reaumur: float, ndigits: int = 2) -> float:
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"""
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Convert a given value from reaumur to rankine and round it to 2 decimal places.
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Reference:- http://www.csgnetwork.com/temp2conv.html
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>>> reaumur_to_rankine(0)
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491.67
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>>> reaumur_to_rankine(20.0)
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536.67
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>>> reaumur_to_rankine(40)
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581.67
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>>> reaumur_to_rankine("reaumur")
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Traceback (most recent call last):
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...
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ValueError: could not convert string to float: 'reaumur'
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"""
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return round((float(reaumur) * 2.25 + 32 + 459.67), ndigits)
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if __name__ == "__main__":
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import doctest
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doctest.testmod()
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