Python data type summary memo

Summary

--Iterable --Can be turned with a for statement --Iterator --len () cannot - enumerate, zip, map, filter --ʻItertools function return value - file object --Generator --Return value of generator expression / function --Collection -- len () can be done - array.array -enum.Enum --Sequence --Index and slice can be used -list, str, range -collections.deque -tuple --Return value ofcollections.namedtuple () --Set --Set operations can be used -set, frozenset --Mapping --key and value are defined -dict -collections.defaultdict, collections.Counter -collections.ChainMap`

reference

abc --- abstract base class etc.

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