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jackfrued

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GitHub Repository: jackfrued/Python-100-Days
 Path: blob/master/公开课/文档/年薪50W+的Python程序员如何写代码/code/Python/opencourse/part01/example06.py
Views: 729
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# 一行代码实现求阶乘函数

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fac = lambda x: __import__('functools').reduce(int.__mul__, range(1, x + 1), 1)

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print(fac(5))

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# 一行代码实现求最大公约数函数

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gcd = lambda x, y: y % x and gcd(y % x, x) or x

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print(gcd(15, 27))

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# 一行代码实现判断素数的函数

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is_prime = lambda x: x > 1 and not [f for f in range(2, int(x ** 0.5) + 1) if x % f == 0]

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for num in range(2, 100):

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    if is_prime(num):

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        print(num, end=' ')

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print()

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# 一行代码实现快速排序

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quick_sort = lambda items: len(items) and quick_sort([x for x in items[1:] if x < items[0]]) \

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                           + [items[0]] + quick_sort([x for x in items[1:] if x > items[0]]) \

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                           or items

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items = [57, 12, 35, 68, 99, 81, 70, 22]

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print(quick_sort(items))

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# 生成FizzBuzz列表

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# 1 2 Fizz 4 Buzz 6 ... 14 ... FizzBuzz 16 ... 100

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print(['Fizz'[x % 3 * 4:] + 'Buzz'[x % 5 * 4:] or x for x in range(1, 101)])

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