>>> from descomentaritza import descomentaritza
>>> descomentaritza ('exemple.py', 'exemple_des.py')
>>> with open('exemple_des.py', 'r') as f:
...     for linia in f:
...         print(linia[:-1])
import math
def exemple (a, b, c): 
    if a == 0: 
        x = -c/b
        return x
    else: 
        d = math.sqrt(b**2-4*a*c)  
        x1 = (-b + d)/(2*a)  
        x2 = (-b - d)/(2*a)
        return x1, x2