Fomat result of division of integers into decimal form

main.py

#!/usr/bin/env python3
import math
import sys

# Usage: ./main.py a b
# Prints out result of division a/b in format x.y(z)
# Example: 13/12 = 1.08(3)

a, b = [int(c) for c in sys.argv[1:]]
# turn a / b into x.y(z)

def find (x):
    res = 9
    cnt = 1
    while (res % x != 0):
        res = 10 * res + 9
        cnt += 1
    return int(res / x), cnt

x = int(a / b)
remain = a - x * b

# print('x = {0}, remain = {1}'.format(x, remain))

cnt_2 = 0
cnt_5 = 0
temp = 1
temp_b = b
while temp_b % 2 == 0:
    temp *= 2
    temp_b = int(temp_b / 2)
    cnt_2 += 1

while temp_b % 5 == 0:
    temp *= 5
    temp_b = int(temp_b / 5)
    cnt_5 += 1

while remain % 2 == 0 and cnt_2 > 0:
    remain = int(remain / 2)
    temp = int(temp / 2)
    cnt_2 -= 1

while remain % 5 == 0 and cnt_5 > 0:
    remain = int(remain / 2)
    temp = int(temp / 5)
    cnt_5 -= 1

comp = 10 ** max(cnt_2, cnt_5) / temp

# print(cnt_2, cnt_5, temp, temp_b, comp)

remain *= comp

y = int(remain / temp_b)
if y > 0:
    y = str(y)
    while len(y) < max(cnt_2, cnt_5):
        y = '0' + y
else:
    y = ''

found = find(temp_b)

remain = (remain % temp_b) * found[0]
z = str(int(remain))
while (len(z) < found[1]):
    z = '0' + z

print('{0}.{1}({2})'.format(x, y, z))