# 一行代码实现求阶乘函数 fac = lambda x: __import__('functools').reduce(int.__mul__, range(1, x + 1), 1) print(fac(5)) # 一行代码实现求最大公约数函数 gcd = lambda x, y: y % x and gcd(y % x, x) or x print(gcd(15, 27)) # 一行代码实现判断素数的函数 is_prime = lambda x: x > 1 and not [f for f in range(2, int(x ** 0.5) + 1) if x % f == 0] for num in range(2, 100): if is_prime(num): print(num, end=' ') print() # 一行代码实现快速排序 quick_sort = lambda items: len(items) and quick_sort([x for x in items[1:] if x < items[0]]) \ + [items[0]] + quick_sort([x for x in items[1:] if x > items[0]]) \ or items items = [57, 12, 35, 68, 99, 81, 70, 22] print(quick_sort(items)) # 生成FizzBuzz列表 # 1 2 Fizz 4 Buzz 6 ... 14 ... FizzBuzz 16 ... 100 print(['Fizz'[x % 3 * 4:] + 'Buzz'[x % 5 * 4:] or x for x in range(1, 101)])