Lists in Python doubt in relate

hello guys, my question is how to relate these two lists, for example: if the DISTANCE of force 1 is 3 and this is in index 4 of the first list, the FORCE of force 1 should be found in index 4 of the second list.

What I have tried :

from math import *

a=0
l=int(input(' beam length = ') )
x=int(input(' leading end value = ') )
y=int(input(' endpoint value = ') )
f1=int(input(' force 1 = '))
x1=int(input(' distance 1 = '))
f2=int(input(' force 2 = '))
x2=int(input(' distance 2 = '))
p=int(input(' points = ') )





distância = [ ]
distância.append(0)
for n in range(0,p):
	a +=(l/p)
	distância.append(a)

print(' distance = ',distância)

lst = [0] * p
lst[0]=x
lst[-1]=y
print(' forces acting on points = ',lst)

Not sure if I understand.
Your question is: how to find element from one list in another list?

basically, for example if force 1 = 5 and distance 1 = 3 … if in the first list 3 is index 4 , in the second 5 must be placed in index 4 of the other list

You can use index method I guess. I wrote some generic example for you. I hope you can get some logic from it for your code.

a = 3
b = 5
list1 = [0, 0, 0, 0, a]
index = list1.index(a)
print(index)###4
list2 = [0, 0, 0, 0, 0, 0]
list2[index] = b
print(list2)###[0, 0, 0, 0, 5, 0]
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