navid-w

"""
Evaluate mathematical expression without eval() or ast
https://www.codewars.com/kata/52a78825cdfc2cfc87000005

It passes all 8 tests, fuck you codewars
"""

def isint(arg):
    try:
        x = int(arg)

navid-w

#updated 5/7/17
import tkinter as tk
import re
import sqlite3
from collections import Counter
from string import punctuation
from math import sqrt
from time import sleep ##for delay realism
global B