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* Create number_of_digits.py A python program to find the number of digits in a number. * Update number_of_digits.py * Update number_of_digits.py * Add #1976 to get Travis CI to pass #1976 * Add type hints as discussed in CONTRIBUTING.md Co-authored-by: Christian Clauss <cclauss@me.com>
19 lines
312 B
Python
19 lines
312 B
Python
def num_digits(n: int) -> int:
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"""
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Find the number of digits in a number.
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>>> num_digits(12345)
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5
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>>> num_digits(123)
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3
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"""
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digits = 0
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while n > 0:
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n = n // 10
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digits += 1
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return digits
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if __name__ == "__main__":
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print(num_digits(12345)) # ===> 5
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