input: 
  from typing import List
  
  def search_strings(strings: List[str], inp_str: str) -> str:
      """Searches a given list of strings to find any matches with the input string.
      If a match is found, it returns "String matches"; otherwise, it returns "String doesn't matches".
      
      >>> search_strings(["First","Second","Third"], "First")
      'String matches'
      >>> search_strings(["First","Second","Third"], "Fourth")
      'String doesn't matches'
      """
      for i in strings:
          if i.lower() in inp_str.lower():
              return "String matches"
      return "String doesn't matches"
  
output:     for i in strings:
          if i.lower() == inp_str.lower():
              return "String matches"
      return "String doesn't matches"