Fractions to Decimals

from textwrap import wrap

def setio(name):
    # Overwrites input/print functions to file io
    global input, print
    fIn = open(f"{name}.in", "r")
    fOut = open(f"{name}.out", "w")
    input = fIn.readline
    print = lambda i: fOut.write(str(i)+"\n")

setio("fracdec")

n, d = map(int, input().split())
i = n // d
n %= d

vis = {}
res = ""
while True:
    if n == 0:
        if res == "":
            res = "0"
        break
    if n in vis:
        if vis[n] == 0:
            res = "(" + res + ")"
        else:
            res = res[:vis[n]] + "(" + res[vis[n]:] + ")"
        break
    vis[n] = len(res)
    n *= 10
    res += str(n // d)
    n %= d

ans = f"{i}.{res}"
print('\n'.join(wrap(ans,76)))