Python Practice Example 47
Python 100 ExamplesQuestion:Swap the values of two variables.
Program analysis:None
Program source code:
Example
#!/usr/bin/python
# -*- coding: UTF-8 -*-
def exchange(a,b):
a,b = b,a
return (a,b)
if __name__ == '__main__':
x = 10
y = 20
print ('x = %d,y = %d' % (x,y))
x,y = exchange(x,y)
print ('x = %d,y = %d' % (x,y))
# -*- coding: UTF-8 -*-
def exchange(a,b):
a,b = b,a
return (a,b)
if __name__ == '__main__':
x = 10
y = 20
print ('x = %d,y = %d' % (x,y))
x,y = exchange(x,y)
print ('x = %d,y = %d' % (x,y))
The output of the above example is:
x = 10,y = 20 x = 20,y = 10Other Extensions