Bool type and related operators

#!/usr/bin/python
# -*- coding: UTF-8 -*-
""" bool  Operator   Comparison operator  > < >= <= == !=  The result is bool type   Logical operators   Whether two bool Value relation and   or   Not  bool type   Value ：( really )True False( false )  proposition ： A declarative sentence with judgment  """
#  Logical operators 
#  And ： A fake is a fake  and  Only when both conditions are true can it be true , As long as one side is not satisfied, it is false 
print(True and True)#True
print(True and False)#False#  And ： A fake is a fake  and  Only when both conditions are true can it be true , As long as one side is not satisfied, it is false 

#  or ：or  As long as one of the conditions is true, it is true 

print(True or  True)#True
print(True or  False)#True
print(not  True)# Take the opposite 

#!/usr/bin/python
# -*- coding: UTF-8 -*-
"""  Determine if it's a leap year   The year can be divided by four , But can't be 100 to be divisible by , Can be 400 to be divisible by   Ordinary year  """

year = int(input(" Please enter a year :"))
result = year % 4 == 0 and year % 100 != 0 or year % 400 == 0
print(result)

# -*- coding: UTF-8 -*-
#  problem ： What will appear on the console 
# Short-circuit logic ： Logic operation , Try to put complex and time-consuming judgments behind 
num = 1
# and  Find out False Then we have a conclusion , Subsequent conditions are not judged 
re = num > 1 and input(" Please enter :") == "a"
# or  Find out True, Then there is judgment , Subsequent conditions are not judged 
re = num+1 >1 or input(" Please enter :") == "a"