题目内容

下列选项中,会输出1,2,3三个数字的是( )。

A. for i in range(3): print(i)
B. for i in range (2): print(i+1)
C. a_list=[0,1,2] for i in a_list: print(i+1)
D. i=1 while i<3: print (i) i=i+1

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A. 9
B. 10
C. 11
D. 1000

A. break用在for语句中,而continue用在while语句中
B. break用在while语句中,而continue用在for语句中
C. continue能结束循环,而break只能结束本次循环
D. break能结束本层循环,而continue只能结束本次循环

A. for i in range(10,0):sum+=i
B. for i in range(1,11):sum+=i
C. for i in range(10,0,-1):sum+=i
D. for i in [10,9,8,7,6,5,4,3,2,1]:sum+=i

A. True
B. False
C. 0
D. 1