[Python] How do I update values in a loop without adding them together?

I'm coding in python and I have a loop using sympy Piecewise that performs some mathematical calculation that I need for my code.

The loop currently succesfully uses the correct values but it adds the previous result to the current result. I just want it to use the first result because I'm using randint module and I only want the random value added.

My code is:

import sys
from eth_keys import keys
from sympy import symbols, summation, gcdex, Piecewise, Eq, Abs, Mul, Le, mod_inverse, solve, invert, Mod, Max, log, \
floor, simplify, And, Ge, Symbol
import random
x = symbols('x')


def point_add(P1_c, P2_c, p, k):
# random.seed(1)
start = P1_c + random.randint(1, 106)

return start


def scalar_multiply(P_c, scalar, p, k):
result = 0
addend = P_c

for _ in range(1, 3):
result = Piecewise(
(point_add(result, addend, p, k), Eq(Mod(scalar, 5), 1)),
(point_add(result, point_add(addend, addend, p, k), p, k), Eq(Mod(scalar, 5), 2)),
(point_add(result, point_add(point_add(addend, addend, p, k), addend, p, k), p, k),
Eq(Mod(scalar, 5), 3)),
(point_add(result, point_add(point_add(point_add(addend, addend, p, k), addend, p, k), addend, p, k), p,
k), Eq(Mod(scalar, 5), 4)),
(result, True) # Default case to keep result unchanged
)

scalar //= 5
addend = point_add(point_add(point_add(point_add(addend, addend, p, k), addend, p, k), addend, p, k),
addend, p, k) # Update addend for base 5

return result


G_c = 1
p = 1
k = 2 ** 56
logic = scalar_multiply(G_c, x, p, k)
terms = [logic.subs(x, k) for k in range(1, 20)]
print(terms)


As you can see in my code by the output, the values are being added again and again based on how many remainders x has. I don't want this I just want it to take the first value and use it. Can someone show me what to do?

As you can see in my code,

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