1、布尔型只有两个值:True,False
因为python是大小写敏感的,所以true,false均不属于布尔型数值
# print True
# Error: upper/lower case sensitive
# print true
2、布尔代数
# print 3>5
# print 3>2
3、布尔型运算,and与,or或,not非
# Boolean operation========>and ,or ,not
# and
# print True and True
# print True and False
# print False and False
# or
# print True or True
# print True or False
# print False or False
# not
# print not True
# print not False