коды / 3

import numpy as np

def f(x):
    return x**2-5

a= 2
b= 3
e= 0.01
fa= f(a)

while abs(b-a) > e:
    x= (a+b)/2

    if fa*f(x) < 0 :
        b= x
    else:
        a= x
        
    x= (a+b)/2
    
print ('x= ', x)
print ('f(x)= ', f(x))