py

x1=int(input("Enter x1: "))
x2=int(input("Enter x2: "))

def f(x):   
  return x**4 - x - 10  

def form(x1, x2):
  return ((x1 * f(x2) - x2 * f(x1)) / 
                        (f(x2) - f(x1)))
  
def secant(x1, x2, E): 
    xm = 0; xnew = 0
      
    while True:                 
        xnew = form(x1, x2)
        x1 = x2
        x2 = xnew
          
        xm = form(x1, x2) 
        
        print(xnew)
        if(abs(xm - xnew) < E): 
            break
  
secant(x1, x2, 1e-5);