leetcode 392. Is Subsequence

https://leetcode.com/problems/is-subsequence/description/?envType=study-plan-v2&envId=top-interview-150 

Is Subsequence - LeetCode

 

class Solution:
    def isSubsequence(self, s: str, t: str) -> bool:
        check_string = ''
        start_idx = 0
 
        for some_string in t:
            if start_idx == len(s):
                return True
                
            if some_string == s[start_idx]:
                check_string += some_string
                start_idx += 1
        
        if s == check_string:
            return True
        else:
            return False