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80 lines
2.9 KiB
Python
80 lines
2.9 KiB
Python
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"""
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Conversion of volume units.
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Available Units:- Cubic metre,Litre,KiloLitre,Gallon,Cubic yard,Cubic foot,cup
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USAGE :
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-> Import this file into their respective project.
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-> Use the function length_conversion() for conversion of volume units.
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-> Parameters :
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-> value : The number of from units you want to convert
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-> from_type : From which type you want to convert
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-> to_type : To which type you want to convert
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REFERENCES :
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-> Wikipedia reference: https://en.wikipedia.org/wiki/Cubic_metre
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-> Wikipedia reference: https://en.wikipedia.org/wiki/Litre
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-> Wikipedia reference: https://en.wiktionary.org/wiki/kilolitre
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-> Wikipedia reference: https://en.wikipedia.org/wiki/Gallon
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-> Wikipedia reference: https://en.wikipedia.org/wiki/Cubic_yard
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-> Wikipedia reference: https://en.wikipedia.org/wiki/Cubic_foot
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-> Wikipedia reference: https://en.wikipedia.org/wiki/Cup_(unit)
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"""
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from collections import namedtuple
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from_to = namedtuple("from_to", "from_ to")
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METRIC_CONVERSION = {
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"cubicmeter": from_to(1, 1),
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"litre": from_to(0.001, 1000),
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"kilolitre": from_to(1, 1),
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"gallon": from_to(0.00454, 264.172),
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"cubicyard": from_to(0.76455, 1.30795),
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"cubicfoot": from_to(0.028, 35.3147),
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"cup": from_to(0.000236588, 4226.75),
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}
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def volume_conversion(value: float, from_type: str, to_type: str) -> float:
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"""
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Conversion between volume units.
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>>> volume_conversion(4, "cubicmeter", "litre")
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4000
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>>> volume_conversion(1, "litre", "gallon")
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0.264172
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>>> volume_conversion(1, "kilolitre", "cubicmeter")
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1
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>>> volume_conversion(3, "gallon", "cubicyard")
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0.017814279
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>>> volume_conversion(2, "cubicyard", "litre")
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1529.1
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>>> volume_conversion(4, "cubicfoot", "cup")
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473.396
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>>> volume_conversion(1, "cup", "kilolitre")
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0.000236588
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>>> volume_conversion(4, "wrongUnit", "litre")
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Traceback (most recent call last):
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File "/usr/lib/python3.8/doctest.py", line 1336, in __run
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exec(compile(example.source, filename, "single",
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File "<doctest __main__.volume_conversion[7]>", line 1, in <module>
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volume_conversion(4, "wrongUnit", "litre")
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File "<string>", line 62, in volume_conversion
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ValueError: Invalid 'from_type' value: 'wrongUnit' Supported values are:
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cubicmeter, litre, kilolitre, gallon, cubicyard, cubicfoot, cup
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"""
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if from_type not in METRIC_CONVERSION:
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raise ValueError(
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f"Invalid 'from_type' value: {from_type!r} Supported values are:\n"
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+ ", ".join(METRIC_CONVERSION)
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)
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if to_type not in METRIC_CONVERSION:
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raise ValueError(
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f"Invalid 'to_type' value: {to_type!r}. Supported values are:\n"
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+ ", ".join(METRIC_CONVERSION)
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)
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return value * METRIC_CONVERSION[from_type].from_ * METRIC_CONVERSION[to_type].to
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if __name__ == "__main__":
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import doctest
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doctest.testmod()
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