题目内容

num = (10,5,8,17,25,56,1)访问以上元组元素时,哪句是错误的?

A. print(num)
B. print(num[4])
C. print(num[:4])
D. print(num(4))

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运行下面这段代码,会输出什么呢?( )n=s=0whilen<=98:n+=1ifn%2==0:s-=nelse:s+=nprint(s)

A. 1
B. 99
C. 100
D. 199

运行下面这段代码,会输出什么呢?( )n=1s=0whilen<100:s=s+nn=n+1print(s)

A. 5050
B. 5000
C. 4950
D. 4900

小琦最近在学Python,他写了一组代码,想要输出10行10列的*,帮他看看有什么错误吧?foriinrange(1,10):foriinrange(1,11):print('*',end='')print()

A. 1行10改成11
B. 2行11改成10
C. 第2个range改成random
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学Python,告别“不浪漫罪名”!女朋友想要星星,小明就给她星星,女朋友收到后非常满意。下列哪项是小明写的正确的代码( )

A. number = int(input('How many starts do you want?')) for i in range(1, number): print('*', end=' ')
B. number = int(input('How many starts do you want?')) for i in range(number): print('*', end=' ')
C. number = int(input('How many starts do you want?')) for i in number: print('*', end=' ')
D. number = int(input('How many starts do you want?')) for i in range(0, number-1): print('*', end=' ')

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