(self, *maps)
Initialize a ChainMap by setting *maps* to the given mappings.
        If no mappings are provided, a single empty dictionary is used.
Initialize a ChainMap by setting *maps* to the given mappings.
        If no mappings are provided, a single empty dictionary is used.
Initialize a ChainMap by setting * maps * to the given mappings . If no mappings are provided a single empty dictionary is used .
def __init__(self, *maps):
        '''Initialize a ChainMap by setting *maps* to the given mappings.
        If no mappings are provided, a single empty dictionary is used.

        '''
        self.maps = list(maps) or [{}]
def __init__ ( self , * maps ) : self . maps = list ( maps ) or [ { } ]