> list = [1,2,3,4]
> n = list(range(1,5))//变量list和函数list重复使用
Traceback (most recent call last):
File "" , line 1, in <module>
n = list(range(1,5))
TypeError: 'list' object is not callable
> a = 4
> print(a)
4
> a = 5
> if a == 5:
print(a)
5
> a = 4
> a = 1
> print(a)
1
> a = 3
> b = 3
> print(a+b)
> print(a-b)
> print(a*b)
6
0
9
1
> a = 1
> a = a + 1
> pirnt(a)
2