A.write, calls
B. wrote, called
C.was writing, calls
D. was writing, called
第1题:
A、where
B、why
C、when
第2题:
第3题:
第4题:
第5题:
第6题:
20、以下程序的输出结果是()? letter = ['A','B', 'C', 'D', 'D'] for i in letter: if i == 'D': letter.remove(i) print(letter)
A.['A','B', 'C', 'D']
B.['A','B', 'C', 'D','D']
C.['A','B', 'C', 'D','D','D']
D.['A','B', 'C']