#coding:utf-8
import sys, os, time
from random import randint

is_path_ok = True

while(is_path_ok):
    f_path = raw_input('Enter file path : ')
    if os.path.exists(str(f_path)):
        print('Path exists')
        is_path_ok = False
    else:
        print('Path not exits')

f_name = raw_input('Enter file name : ')

full_file_path = str(f_path) + "/"+ str(f_name)

if os.path.exists(full_file_path):
    file_name, file_ext = os.path.splitext(full_file_path)
    os.rename(full_file_path, '{}_{}{}'.format(file_name,str(time.time()), file_ext))

f_write = open(full_file_path, 'w')

number = raw_input('Enter decimal number : ')

try:
    number = float(number)
except ValueError:
    print('It\'s not a number')

number_sqrt = number ** 2

print >> f_write, '{} squared is {}'.format(number,number_sqrt)
print('{} squared is {}'.format(number,number_sqrt))

random_number = randint(0, 20)
number_diveded = float(number_sqrt / random_number)

print >> f_write, '{} diveded by {} is {}'.format(number_sqrt, random_number, number_diveded)
print('{} diveded by {} is {}'.format(number_sqrt, random_number, number_diveded))

number_round = int(round(float(number_diveded)))

print >> f_write, 'Rounded output is {}'.format(number_round)
print('Rounded output is {}'.format(number_round))