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  1. #!/usr/bin/env python
  2. '''
  3. This script demonstrates scope.
  4. '''
  5.  
  6. # Let's create a variable and assign it an integer
  7. mynum = 3
  8.  
  9. print 'Here is my number:', mynum
  10.  
  11. def change_mynum(x):
  12.     ## comment the next line
  13.     global mynum
  14.  
  15.     ## can also use: mynum += x
  16.     mynum = mynum + x
  17.  
  18.     ## return the new value
  19.     return mynum
  20.  
  21. print 'change_mynum:', change_mynum(4)
  22.  
  23. print 'mynum:', mynum
Success #stdin #stdout 0.08s 8832KB
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Standard input is empty
stdout
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Here is my number: 3
change_mynum: 7
mynum: 7
https://ideone.com/GEZJPE
language:
Python (cpython 2.7.16)
created:
10 years ago
visibility:
public

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