parameters: (self, name, default=None)
return_statement: return self._headers.get(_hkey(name), [default])[-1]
docstring: Return the value of a previously defined header. If there is no
              header with that name, return a default value.
docstring_summary: Return the value of a previously defined header. If there is no
              header with that name, return a default value.
docstring_tokens: Return the value of a previously defined header . If there is no header with that name return a default value .
function: def get_header(self, name, default=None):
          ''' Return the value of a previously defined header. If there is no
              header with that name, return a default value. '''
          return self._headers.get(_hkey(name), [default])[-1]
function_tokens: def get_header ( self , name , default = None ) : return self . _headers . get ( _hkey ( name ) , [ default ] ) [ - 1 ]