#tema
import cmath
 
from MyComplex import Complex
 
def mySqrt(z):
    if z == 0:
        return 0
 
    alpha = 0.5
    x = z - 1
    radical = 1
    element_serie = x
    termeni = 10
 
    if abs(x) >= 1:
        return cmath.sqrt(z)
 
    for n in range(1, termeni):
        element_serie *= (alpha - (n - 1)) / n
        element_serie *= x
        radical += element_serie
 
    return radical
 
 
z = complex(2, 3)
print(mySqrt(4))
print(mySqrt(-1))
print(mySqrt(z))

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