parameters: (self, item)
docstring: Called to implement membership test operators.
  
          Should return true if item is in self, false otherwise. Item
          can be other IP-objects, strings or ints.
  
          >>> IP('195.185.1.1').strHex()
          '0xc3b90101'
          >>> 0xC3B90101 in IP('195.185.1.0/24')
          True
          >>> '127.0.0.1' in IP('127.0.0.0/24')
          True
          >>> IP('127.0.0.0/24') in IP('127.0.0.0/25')
          False
docstring_summary: Called to implement membership test operators.
docstring_tokens: Called to implement membership test operators .
function: def __contains__(self, item):
          """Called to implement membership test operators.
  
          Should return true if item is in self, false otherwise. Item
          can be other IP-objects, strings or ints.
  
          >>> IP('195.185.1.1').strHex()
          '0xc3b90101'
          >>> 0xC3B90101 in IP('195.185.1.0/24')
          True
          >>> '127.0.0.1' in IP('127.0.0.0/24')
          True
          >>> IP('127.0.0.0/24') in IP('127.0.0.0/25')
          False
          """
  
          if isinstance(item, IP):
              if item._ipversion != self._ipversion:
                  return False
          else:
              item = IP(item)
          if item.ip >= self.ip and item.ip < self.ip + self.len() - item.len() + 1:
              return True
          else:
              return False
function_tokens: def __contains__ ( self , item ) : if isinstance ( item , IP ) : if item . _ipversion != self . _ipversion : return False else : item = IP ( item ) if item . ip >= self . ip and item . ip < self . ip + self . len ( ) - item . len ( ) + 1 : return True else : return False