Python. Set has 2 properties
# 1. No duplicate
my_set = {1, 2, 3, 4, 4}
print(my_set) # {1, 2, 3, 4}
my_set = {1, 2, 3, 4, 4}
print(my_set) # {1, 2, 3, 4}
# 2. No order
set_1={1, 2, 3}
set_2={3, 2, 1}
print(set_1) # {1, 2, 3}
print(set_2) # {1, 2, 3}
print(set_1 == set_2) # True
list_1=[1, 2, 3]
list_2=[3, 2, 1]
print(list_1) # [1, 2, 3]
print(list_2) # [3, 2, 1]
print(list_1==list_2) # False
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