28 lines
714 B
Python
28 lines
714 B
Python
def check_parity(args: list[str]):
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if len(args) == 0:
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return
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if len(args) > 1:
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print("AssertionError: more than one argument is provided")
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return
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arg = args[0]
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# https://docs.python.org/3.10/tutorial/errors.html
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try:
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number = int(arg)
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except ValueError:
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print("AssertionError: argument is not an integer")
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return
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if number % 2 == 0:
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print("I'm Even.")
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else:
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print("I'm Odd.")
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# execute module as a script :
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# https://docs.python.org/3.10/tutorial/modules.html#executing-modules-as-scripts
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if __name__ == "__main__":
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# https://docs.python.org/3.10/library/sys.html
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import sys
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check_parity(sys.argv[1:])
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