[LeetCode]#1662. Check If Two String Arrays are Equivalent

Environment: Python 3.7

Key technique: .join

Given two string arrays word1 and word2, return true if the two arrays represent the same string, and false otherwise.

A string is represented by an array if the array elements concatenated in the order from the string.

Example 1:

Input: word1 = ["ab", "c"], word2 = ["a", "bc"]
Output: true
Explanation:
word1 represents string "ab" + "c" -> "abc"
word2 represents string "a" + "bc" -> "abc"
The strings are the same, so return true.

Analysis:

1. Combine with strings in a list as one string
2. Compare two strings

Solution:

class Solution:
 def arrayStringsAreEqual(self, word1, word2 ):
        
         return "".join(word1)=="".join(word2)

Submissions:

Reference:

https://leetcode.com/problems/check-if-two-string-arrays-are-equivalent/discuss/948245/Python-one-liner.-Easiest-solution-of-all-time.