code: def startswith_strip(s, startswith='http://', ignorecase=True):
      
      if ignorecase:
          if s.lower().startswith(startswith.lower()):
              return s[len(startswith):]
      else:
          if s.endswith(startswith):
              return s[len(startswith):]
      return s
docs: Strip a prefix from the beginning of a string
  
      >>> startswith_strip('HTtp://TotalGood.com', 'HTTP://')
      'TotalGood.com'
      >>> startswith_strip('HTtp://TotalGood.com', startswith='HTTP://', ignorecase=False)
      'HTtp://TotalGood.com'