Contains Duplicate
Question
Answer
solution1:this is my answer.
class Solution(object):
def containsDuplicate(self, nums):
"""
:type nums: List[int]
:rtype: bool
"""
nums.sort()
n = 0
for i in xrange(1,len(nums)):
if nums[n] == nums[i]:
return True
else:
n = i
return Falsesolution2:
Knowledge:
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