i do not understand, how to solve this frozonset ?
Lawrence D’Oliveiro於 2016年10月5日星期三 UTC+8下午2時24分13秒寫道: > On Wednesday, October 5, 2016 at 2:35:25 PM UTC+13, meInvent bbird wrote: > > it return unhashable type 'set' > > This is what “frozenset” is for--it’s the immutable counterpart of “set”. > > Data-typing supersymmetry, anybody? -- https://mail.python.org/mailman/listinfo/python-list