1、单选题：
Which is NOT the main part of computer ( )
选项：
A:Cache
B:memory
C:CPU
D:I/O equipment
答案: 【Cache】

2、多选题：
Which symbol can be used for comments in Python ( )
选项：
A:“
B:#
C:!
D://
答案: 【“ ;
#】

3、单选题：
The integrated development tool built into Python is ( ).
选项：
A:Pycharm
B:Vs code
C:Jupyter
D:IDLE
答案: 【IDLE】

4、单选题：
Which is the correct operator for power(Xy)? ( )
选项：
A:None of the mentioned
B:X**y
C:X^^y
D:X^y
答案: 【X**y】

5、单选题：
Which of the following is incorrect? ( )
选项：
A:float(4.2)
B:float("3+5")
C:float(3)
D:float("3")
答案: 【float("3+5")】