85. (单选题)以下选项中不符合 Python 语言变量命名规则的是( )

A. Tuple.extend(otherTuple)

B. Tuple[0]='A'

C. Tuple.sort()

D. Tuple1+Tuple2

A. city = ['北京', '上海', '天津', '重庆']orderⱣⱤcity = enumerate(city, 1)print(orderⱣⱤcity)

B. city = ['北京', '上海', '天津', '重庆']orderⱣⱤcity = enumerate(city, 1)print(list(orderⱣⱤcity))

C. city = ['北京', '上海', '天津', '重庆']orderⱣⱤcity = zip(range(1, 5), city)print(orderⱣⱤcity)

D. city=['北京','上海','天津','重庆']orderⱣⱤcity=zip(range(1,5),city)print(list(orderⱣⱤcity))

A. #Python注释代码

B. #Python注释代码1 #Python注释代码2

C. """Python文档注释"""

D. //Python 注释代码

A. 　 对

B. 　 错

A. 　 对

B. 　 错

A. y = x + 1if x >= 0:if x == 0:y = xelse:y = x-1

B. y = x - 1if x! = 0:if x > 0:y = x + 1else:y = x

C. if x <= 0:if x < 0:y = x - 1else:y = xelse:y = x+1

D. y = xif x <= 0:if x < 0:y = x - 1else:y = x + 1

A. print(s[3:5]) # 输出 lo

B. print(s[5:3]) # 输出空字符串

C. print(s[::-1]) # 输出!dlrow olleH

D. print(s[-1::-1]) # 输出!dlrow olleH

A. pass

B. continue

C. break

D. try

A. length

B. index

C. count

D. find