Trouble understanding python syntax for assigning variables

2018-06-19 00:14:33

This question already has an answer here:

Unpacking, extended unpacking, and nested extended unpacking 3 answers

a, b = b, a + b

is the equivalent of

a = b; b = a + b a = b; b = a + b except this would use the new value of a when assigning to b , not the original as intended.

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