How to exchange two digits on the spot by python
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Exchange two numbers on the spot
Python provides an intuitive way to assign and exchange values on a single line. Please refer to the following example.
X, y = 10, 20print (x, y) x, y = y, xprint (x, y) # 1 (10,20) # 2 (20,10)
The assignment on the right is a new meta-multicast seed. The one on the left immediately unpacks that (unreferenced) tuple to the name and.
When the allocation is complete, the new tuple is dereferenced and marked as garbage collection. The exchange of variables also occurs at the end.
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