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@amulyakashyap09
Last active December 31, 2017 15:43
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Set .add() | hackerrank
# METHOD 1
n = int(input())#take input in n
a = set()
for i in range(n):
ci = input()
if ci not in a:
a.add(ci)
print(len(a))
# METHOD 2
n = int(input())
a = list()
for i in range(n):
ci = input()
indexValue = a.index(ci) if ci in a else -1
if indexValue == -1:
a.append(ci)
print(len(a))
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