超星 - 第4章循环结构”在线练习题目作业（不随机，40题） - 查题吧

单选题

如下程序的输出结果是:for i in "the number changes":if i == 'n':breakelse:print( i, end= "")

A. the umber chages
B. thenumberchanges
C. theumberchages
D. the

单选题

如下程序的输出结果是:for i in range(3): for s in "abcd": if s=="c": break print (s,end="")

A. abcabcabc
B. aaabbbccc
C. aaabbb
D. ababab

单选题

如下程序的输出结果是:for i in "CHINA": for k in range(2): print(i, end="") if i == 'N': break

A. CCHHIINNAA
B. CCHHIIAA
CCHHIAA
D. CCHHIINAA

单选题

如下程序的输出结果是:x= 10while x: x -= 1 if not x%2: print(x,end = '')else: print(x)

A. 86420
B. 975311
C. 97531
D. 864200

单选题

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

单选题

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,

单选题

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]

单选题

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

单选题

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

单选题

执行如下程序,输入”93python22”,输出结果是:w = input(‘请输入数字和字母构成的字符串:’)for x in w:if ‘0’<= x <= ‘9’:continueelse:w.replace(x,’’)print(w)

A. python9322
B. python
C. 93python22
D. 9322

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