def triple(sequence):
    result=[]
    for element in sequence:
        result=result+[element*3]
    return result
        
    

triple([1])

[3]

def set_a():
    a=10
    print('The value of a:',a)
    

set_a()

The value of a: 10

a=20
print('Initially, the value of a:'),a
set_a()
print('Finally, the value of a:'),a

Initially, the value of a:
The value of a: 10
Finally, the value of a:

(None, 20)