YouTipPython Exercise Example43
# Python2.x Python Exercise Instance 43
[ Python 100 Examples](#)
**Title:** Another example of imitating static variables (static).
**Program Analysis:** Demonstrates a method of using Python scope.
Program source code:
## Instance
#!/usr/bin/python
# -*- coding: UTF-8 -*-
class Num:
nNum =1
def inc(self):
self.nNum +=1
print('nNum = %d' % self.nNum)
if __name__ =='__main__':
nNum =2
inst = Num()
for i in range(3):
nNum +=1
print('The num = %d' % nNum)
inst.inc()
The output of the above instance is:
The num = 3 nNum = 2The num = 4 nNum = 3The num = 5 nNum = 4
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