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LeetCode solutions

1894. Merge Strings Alternately

My accepted Python solution to LeetCode problem 1894, Merge Strings Alternately, running in 37ms.

  • Difficulty: Easy
  • Python
  • Runtime 37ms
  • Memory 17.2MB

Read the problem on LeetCode View on GitHub

The problem statement is LeetCode’s and stays on their site. What follows is my accepted solution.

Python

Accepted on LeetCode — runtime 37ms, memory 17.2MB, accepted 2025-12-31.

python
class Solution:
    def mergeAlternately(self, word1: str, word2: str) -> str:
        result = []
        i = 0
        while i < len(word1) or i < len(word2):
            if i < len(word1):
                result.append(word1[i])
            if i < len(word2):
                result.append(word2[i])
            i += 1
        return ''.join(result)

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