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# pylint: disable=missing-docstring,invalid-name,using-constant-test
a, b, c, d = 'a b c d'.split()
temp = a # [consider-swap-variables]
a = b
b = temp
temp = a # only simple swaps are reported
a = b
if True:
b = a
temp = a # this is no swap
a = b
b = a
temp = a, b # complex swaps are ignored
a, b = c, d
c, d = temp
temp = a # [consider-swap-variables]
a = b # longer swap circles are only reported once
b = temp
temp = a
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