== 和 is 区别

1.‘==’是两个值的判断 ‘is’是地址指向的判断（也是id值的判断）

a=[11,22,33]
b=[11,22,33]
print(a==b)#==> True
print(a is b)#==>False
c=a
print(a is c) #==>True

2.注意 a=100 和b=100

a=100
b=100
print(a==b)#==>true
print(a is b)#==>true