import json
import os
import pandas as pd
import requests
import time

from collections import defaultdict

# Common mistakes need to be maintained
mistakes = {
    '1': ['7', 'I', 'L', 'T'],
    '7': ['1', 'I', 'L', 'T'],
    'I': ['1', '7', 'L', 'T'],
    'L': ['1', '7', 'I', 'T'],
    'T': ['1', '7', 'I', 'L'],
    '0': ['O'],
    'O': ['0'],
    '5': ['S'],
    'S': ['5'],
    'F': ['H'],
    'H': ['F'],
}

def permutate(word):

    if len(word) == 0:
        return ['']

    change = []
    res = permutate(word[1:])

    if word[0] in mistakes:
        for m in mistakes[word[0]]:
            change.extend([m + r for r in res])

    return [word[0] + r for r in res] + change

def call(url):

    while True:
        try:
            res = requests.get(url)
            time.sleep(1)
            break
        except Exception as e:
            print(e)

    return res