text: #!/usr/bin/env python
  
  def my_func(x, y, z=30):
      x = 40
      print "inside my_func"
      print "x: {}".format(x)
      print "y: {}".format(y)
      print "z: {}".format(z)
  
  def my_func2(x, y, z=30):
      x = 40
      print "inside my_func"
      print "x: {}".format(x)
      print "y: {}".format(y)
      print "z: {}".format(z)
  
  
  def main():
      my_var = 10
      # executable code here
      MY_CONST = 'whatever'
      print "whatever"
  
  if __name__ == "__main__":
      y = 20
      main()
  