[issue13971] format() doesn't parse str.

Eric V. Smith added the comment: This is working as defined in PEP 3101: it calls PySequence_GetItem() or PyObject_GetItem() on the value inside the brackets. There is indeed no item in d that is the string "0" (including the quotes). -- assignee: -> eric.smith resolution: -> invali

[issue13971] format() doesn't parse str.

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[issue13971] format() doesn't parse str.

New submission from umedoblock : format() mis understaning. please pay attention to [0], [x]. >>> d = {0: "a", "0": "A"} >>> 'd[0] = {0[0]}'.format(d) 'd[0] = a' >>> 'd[0] = {0["0"]}'.format(d) Traceback (most recent call last): File "", line 1, in KeyError: '"0"' >>> d2 = {"x": 100} >>> 'd2[