text: # https://leetcode.com/problems/is-subsequence/
  class Solution:
      def isSubsequence(self, s: str, t: str) -> bool:
          if len(s) == 0:
              return True
          
          sIndex = 0
          for tIndex, tChar in enumerate(t):
              if s[sIndex] == tChar:
                  sIndex += 1
                  
              if sIndex == len(s):
                  return True
              
          return False
  