TypeError: wymagany float

a [i] = {(- 1) ^ (i + 1) * sin (x) * ln (x)}/{i ^ 2 * (i + 1) !}

import math

a=[]

k=0

p=0

def factorial(n):

 f=1

 for i in range(1,n+1):

 f=f*i

 return fdef narys(n):

 x=input('input x: ') #x isn't given by task rules, so i think that is error else.

 float(x)

 k=(math.pow(-1,n+1)*math.sin(x)*math.log10(n*x))/(n*n*factorial(n+1))

 a.append=kn=int(input('input n: '))

narys(n)

for i in a:

 print(a[p])

 p=p+1