python数值类型的使用整理

>>> var1 = 1 + 2

>>> var2 = 1 + 2.0

>>> type(var1)

<class 'int'>

>>> type(var2)

<class 'float'>

>>> var1

3

>>> var2

3.0

>>> a = 3

>>> b = 6.9

>>> a_and_b = a and b

>>> a_or_b = a or b

>>> a_and_b

6.9

>>> type(a_and_b)

<class 'float'>

>>> a_or_b

3

>>> type(a_or_b)

<class 'int'>