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Yunkou/0003.py

Created August 30, 2017 18:03
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Tuple unpacking
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0003.py
# The bad way
x = 10
y = -10
print('Before: x = %d, y = %d' % (x, y))
tmp = y
y = x
x = tmp
print('After: x = %d, y = %d' % (x, y))
# The good way
x, y = 10, -10
print('Before: x = %d, y = %d' % (x, y))
x, y = y, x
print('After: x = %d, y = %d' % (x, y))
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