input: 
  from typing import List
  
  def search_char(input_str: str, char: str) -> bool:
      """ Search for a character in a given string and return True if found, otherwise return False.
      >>> search_char("Hello", 'l')
      True
      >>> search_char("Hello", 'z')
      False
      """
      for c in input_str:
          if c == char:
              return True
      return False
  
output:     for c in input_str:
          if c == char:
              return True
      return False