mirror of
https://github.com/TheAlgorithms/Python.git
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ae0fc85401
* Fix ruff errors
Renamed neural_network/input_data.py to neural_network/input_data.py_tf
because it should be left out of the directory for the following
reasons:
1. Its sole purpose is to be used by neural_network/gan.py_tf, which is
itself left out of the directory because of issues with TensorFlow.
2. It was taken directly from TensorFlow's codebase and is actually
already deprecated. If/when neural_network/gan.py_tf is eventually
re-added back to the directory, its implementation should be changed
to not use neural_network/input_data.py anyway.
* updating DIRECTORY.md
* Change input_data.py_tf file extension
Change input_data.py_tf file extension because algorithms-keeper bot is being picky about it
---------
Co-authored-by: github-actions <${GITHUB_ACTOR}@users.noreply.github.com>
133 lines
4.1 KiB
Python
133 lines
4.1 KiB
Python
"""
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Conversion of length units.
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Available Units:- Metre,Kilometre,Feet,Inch,Centimeter,Yard,Foot,Mile,Millimeter
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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 length 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/Meter
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-> Wikipedia reference: https://en.wikipedia.org/wiki/Kilometer
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-> Wikipedia reference: https://en.wikipedia.org/wiki/Feet
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-> Wikipedia reference: https://en.wikipedia.org/wiki/Inch
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-> Wikipedia reference: https://en.wikipedia.org/wiki/Centimeter
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-> Wikipedia reference: https://en.wikipedia.org/wiki/Yard
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-> Wikipedia reference: https://en.wikipedia.org/wiki/Foot
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-> Wikipedia reference: https://en.wikipedia.org/wiki/Mile
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-> Wikipedia reference: https://en.wikipedia.org/wiki/Millimeter
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"""
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from typing import NamedTuple
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class FromTo(NamedTuple):
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from_factor: float
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to_factor: float
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TYPE_CONVERSION = {
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"millimeter": "mm",
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"centimeter": "cm",
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"meter": "m",
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"kilometer": "km",
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"inch": "in",
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"inche": "in", # Trailing 's' has been stripped off
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"feet": "ft",
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"foot": "ft",
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"yard": "yd",
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"mile": "mi",
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}
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METRIC_CONVERSION = {
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"mm": FromTo(0.001, 1000),
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"cm": FromTo(0.01, 100),
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"m": FromTo(1, 1),
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"km": FromTo(1000, 0.001),
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"in": FromTo(0.0254, 39.3701),
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"ft": FromTo(0.3048, 3.28084),
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"yd": FromTo(0.9144, 1.09361),
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"mi": FromTo(1609.34, 0.000621371),
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}
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def length_conversion(value: float, from_type: str, to_type: str) -> float:
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"""
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Conversion between length units.
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>>> length_conversion(4, "METER", "FEET")
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13.12336
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>>> length_conversion(4, "M", "FT")
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13.12336
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>>> length_conversion(1, "meter", "kilometer")
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0.001
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>>> length_conversion(1, "kilometer", "inch")
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39370.1
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>>> length_conversion(3, "kilometer", "mile")
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1.8641130000000001
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>>> length_conversion(2, "feet", "meter")
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0.6096
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>>> length_conversion(4, "feet", "yard")
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1.333329312
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>>> length_conversion(1, "inch", "meter")
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0.0254
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>>> length_conversion(2, "inch", "mile")
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3.15656468e-05
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>>> length_conversion(2, "centimeter", "millimeter")
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20.0
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>>> length_conversion(2, "centimeter", "yard")
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0.0218722
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>>> length_conversion(4, "yard", "meter")
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3.6576
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>>> length_conversion(4, "yard", "kilometer")
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0.0036576
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>>> length_conversion(3, "foot", "meter")
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0.9144000000000001
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>>> length_conversion(3, "foot", "inch")
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36.00001944
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>>> length_conversion(4, "mile", "kilometer")
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6.43736
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>>> length_conversion(2, "miles", "InChEs")
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126719.753468
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>>> length_conversion(3, "millimeter", "centimeter")
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0.3
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>>> length_conversion(3, "mm", "in")
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0.1181103
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>>> length_conversion(4, "wrongUnit", "inch")
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Traceback (most recent call last):
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...
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ValueError: Invalid 'from_type' value: 'wrongUnit'.
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Conversion abbreviations are: mm, cm, m, km, in, ft, yd, mi
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"""
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new_from = from_type.lower().rstrip("s")
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new_from = TYPE_CONVERSION.get(new_from, new_from)
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new_to = to_type.lower().rstrip("s")
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new_to = TYPE_CONVERSION.get(new_to, new_to)
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if new_from not in METRIC_CONVERSION:
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msg = (
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f"Invalid 'from_type' value: {from_type!r}.\n"
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f"Conversion abbreviations are: {', '.join(METRIC_CONVERSION)}"
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)
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raise ValueError(msg)
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if new_to not in METRIC_CONVERSION:
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msg = (
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f"Invalid 'to_type' value: {to_type!r}.\n"
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f"Conversion abbreviations are: {', '.join(METRIC_CONVERSION)}"
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)
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raise ValueError(msg)
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return (
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value
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* METRIC_CONVERSION[new_from].from_factor
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* METRIC_CONVERSION[new_to].to_factor
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)
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if __name__ == "__main__":
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import doctest
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doctest.testmod()
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