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LeetCode Easy Level
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LeetCode Easy Level

EasyPython

Problem

Some easy level Leet code questions.

Implement contains_duplicate(nums) to determine whether an integer array contains any repeated value. Return True if a value appears at least twice, otherwise return False. The input is a list of integers, and the output is a Boolean.

Examples include [1, 2, 3, 1] -> True and [1, 2, 3, 4] -> False.

Constraints

  • 1 <= nums.length <= 10^4
  • -10^9 <= nums[i] <= 10^9

Function Signature

def contains_duplicate(nums):
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