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Exercise 7

What happens when you run the following code? Why?

NAME = 'Victor'
print('Good Morning, ' + NAME)
print('Good Afternoon, ' + NAME)
print('Good Evening, ' + NAME)

NAME = 'Nina'
print('Good Morning, ' + NAME)
print('Good Afternoon, ' + NAME)
print('Good Evening, ' + NAME)

Solution

The program first greets Victor 3 times. It then greets Nina 3 times.

Unfortunately, Python doesn't have real constants. There's no way to prevent the reassignment of NAME. If this faux-constant really needs to be changed, you should use a regular variable instead:

name = 'Victor'
print('Good Morning, ' + name)
print('Good Afternoon, ' + name)
print('Good Evening, ' + name)

name = 'Nina'
print('Good Morning, ' + name)
print('Good Afternoon, ' + name)
print('Good Evening, ' + name)

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