CoCalc -- for3.py

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GitHub Repository: jackfrued/Python-100-Days
Path: blob/master/Day01-15/code/Day04/for3.py
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"""
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输入非负整数n计算n!
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Version: 0.1
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Author: 骆昊
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Date: 2018-03-01
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"""
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n = int(input('n = '))
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result = 1
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for x in range(1, n + 1):
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    result *= x
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print('%d! = %d' % (n, result))
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