题目内容
下列代码有多少行输出。def add(x, y):return x+ydef mult(x, y):print(x*y)add(1,2)print(add(2,3))mult(3,4)print(mult(4,5))
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以下代码输出结果为：def sq(func, x):y = x**2return func(y)def f(x):return x**2calc = sq(f, 2)print(calc)
已知以下函数定义，请问执行函数调用always_sunny(('cloudy'), ('cold',))的结果为：def always_sunny(t1, t2):""" t1, t2 are non empty """sun = ("sunny","sun")first = t1[0] + t2[0]return (sun[0], first)
执行以下代码后，L中的数据为：L = ["life", "answer", 42, 0]for thing in L:if thing == 0:L[thing] = "universe"elif thing == 42:L[1] = "everything"
执行一下代码后，L3的值为：L1 = ['re']L2 = ['mi']L3 = ['do']L4 = L1 + L2L3.extend(L4)L3.sort()del(L3[0])L3.append(['fa','la'])
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