第一章测试1.Which is NOT the main part of computer ( )
A:memory
B:CPU
C:Cache
D:I/O equipment
答案:C
2.Which symbol can be used for comments in Python ( )
A://
B:#
C:!
D:“
答案:BD
3.The integrated development tool built into Python is ( ).
A:IDLE
B:Jupyter
C:Pycharm
D:Vs code
答案:A
4.Which is the correct operator for power(Xy)? ( )
A:X**y
B:X^^y
C:X^y
D:None of the mentioned
答案:A
5.Which of the following is incorrect? ( )
A:float(4.2)
B:float("3")
C:float(3)
D:float("3+5")
答案:D
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