# -*- coding:utf-8 -*-
#邏輯運(yùn)算符
#and or not
print(True and False)
print(True or False)
print(not False)
#如果兩個(gè)都為真 返回最后一個(gè)真值
print(10 and 20)
#若有假值 返回第一個(gè)假
print(10 and 0)
print(0 and 20)
#成員運(yùn)算符 in not in
list1 = ['a','b','c']
print('a' in list1)
print('a' not in list1)
#身份運(yùn)算符is is not 類似于 id(a) == id(b)
#id函數(shù)獲取當(dāng)前對象在內(nèi)存中的地址
a = 1
b = 1
c = 2
print(id(a))
print(id(b))
print(id(c))
#ab 同一個(gè)對象
print(a is b)
print(a is not b)
print(a is c)
print(a is not c)
位運(yùn)算符
image.png
image.png
