# Contains Duplicate Leetcode Solution

Hello coders, In this article, I am going to write another solution for another Leetcode Problem that is ” Contains Duplicate Leetcode Solution “.

## Problem statement:

Given an integer array `nums`, return `true` if any value appears at least twice in the array, and return `false` if every element is distinct.

Example 1:

```Input: nums = [1,2,3,1]
Output: true
```

Example 2:

```Input: nums = [1,2,3,4]
Output: false
```

Example 3:

```Input: nums = [1,1,1,3,3,4,3,2,4,2]
Output: true```

## Contains Duplicate Leetcode Solution in python

```#Contains Duplicate Leetcode Solution in python

class Solution:
def containsDuplicate(self, nums: List[int]) -> bool:

if len(set(nums))<len(nums):
return 1
else:
return 0

#Contains Duplicate Leetcode Solution in python```

Disclaimer: This problem(Contains Duplicate Leetcode solution) is originally created by LeetcodeCodesagar only provides a solution for it. This solution is only for Educational and learning purposes.