运行结果尺寸: 625 x 591
x
 
x = ["apple", "banana"]
y = ["apple", "banana"]
z = x
print(x is z)
# returns True because z is the same object as x
print(x is y)
# returns False because x is not the same object as y, even if they have the same content
print(x == y)
# to demonstrate the difference betweeen "is" and "==": this comparison returns True because x is equal to y
True
False
True