python 笔记 布尔表达式练习 《笨办法学Python》习题28 ——1.2

习题 28:布尔表达式练习
 

 

ex28.py

#-*-coding:utf-8-*-
#布尔表达式练习判定
 
# True and True #True
# False and True #False
# 1 == 1 and 2 == 1 #False
# "test" == "test" #True
# 1 == 1 or 2 != 1 #True
# True and 1 == 1 #True
# False and 0 != 0 #False
# True or 1 == 1 #True
# "test" == "testing" #False
# 1 != 0 and 2 == 1 #False
# "test" != "testing" #True
# "test" == 1 #False
# not (True and False) #True
# not (1 == 1 and 0 != 1) #False
# not (10 == 1 or 1000 == 1000) #False
# not (1 != 10 or 3 == 4) #False
# not ("testing" == "testing" and "Zed" == "Cool Guy") #True
# 1 == 1 and not ("testing" == 1 or 1 == 0) #True
# "chunky" == "bacon" and not (3 == 4 or 3 == 3) #False
# 3 == 3 and not ("testing" == "testing" or "Python" == "Fun") #False

验证: