Write a Python program to remove duplicates from a list

Solution

a = [10,20,30,20,10,50,60,40,80,50,40]
dup_items = set()
uniq_items = []
for x in a:
    if x not in dup_items:
        uniq_items.append(x)
        dup_items.add(x)
print(f'dup_items:{dup_items}')