题目内容

如下程序的输出结果是:s=’’ls = [1,2,3,4]for l in ls:s += str(l)print(s)

A. 1,2,3,4
B. 4321
C. 4,3,2,1
D. 1234

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如下程序的输出结果是:j = ‘’for i in “12345”:j += i + ‘,’print(j)

A. 1,2,3,4,5
B. 12345
C. ‘1,2,3,4,5,’
D. 1,2,3,4,5,

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如下程序的输出结果是:ls1 = [1,2,3,4,5]ls2 = [3,4,5,6,7,8]cha1 = []for i in ls2:if i not in ls1:cha1.append(i)print(cha1)

A. (6, 7, 8)
B. (1,2,6, 7, 8)
C. [1,2,6,7,8]
D. [6, 7, 8]

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chr(21646)输入汉字“咎”,如下代码执行的输出结果是:for i in range(1,4): print(chr(21646)(2i-1))

A. 咎咎咎咎咎咎
B. 咎咎咎咎咎咎咎咎咎
C. 咎咎咎咎咎咎咎咎咎咎
D. 出错

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给出下面代码:

A. = input("").split(",")x = 0while x < len(a):print(a[x],end="")x += 1代码执行时,从键盘得到“Python语言,是,脚本,语言”则代码的输出结果是执行代码出错
B. Python语言,是,脚本,语言
C. Python语言是脚本语言
D. 无输出

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如下程序的输出结果是:s=’’ls = [1,2,3,4]for l in ls:s += str(l)print(s)

A. 1,2,3,4 B. 4321 C. 4,3,2,1 D. 1234

如下程序的输出结果是:j = ‘’for i in “12345”:j += i + ‘,’print(j)

如下程序的输出结果是:ls1 = [1,2,3,4,5]ls2 = [3,4,5,6,7,8]cha1 = []for i in ls2:if i not in ls1:cha1.append(i)print(cha1)

chr(21646)输入汉字“咎”,如下代码执行的输出结果是:for i in range(1,4): print(chr(21646)*(2*i-1))

给出下面代码:

A. 1,2,3,4
B. 4321
C. 4,3,2,1
D. 1234

chr(21646)输入汉字“咎”,如下代码执行的输出结果是:for i in range(1,4): print(chr(21646)(2i-1))