Filter Concept in python

 freinds = [("Rachel"19),

            ("Monica"48),
            ("Phojebe"25),
            ("Joey"12),
            ("Umair"23)]

def friend(friend): return friend[1]
freinds.sort(key=friend)

age = lambda data:data[1>= 18
drinking_buddies = list(filter(age,freinds))
for i in drinking_buddies:
    print(i)

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