def NR(p,q,r,s,t,u,v,w,x,y):
    n=0
    p=p+0.1-0.1
    q=q+0.1-0.1
    r=r+0.1-0.1
    s=s+0.1-0.1
    t=t+0.1-0.1
    u=u+0.1-0.1
    a=input("first approximation=")
    while n<200:
        y=p+(q*a)+(r*((a)**2))+(s*((a)**3))+(t*((a)**4))+(u((a)**5))+(v*((a)**6))+(w*((a)**7))+(x*((a)**8))+(y*((a)**9))
        dydx=q+(2*r*a)+(3*s*(a**2))+(4*t*(a**3))+(5*u*(a**4))+(6*v*(a**5))+(7*w*(a**6))+(8*x*(a**7))+(9*y*(a**8))
        root=a-(y/dydx)
        a=root
        n=n+1
    print ("root="),root