Fiscal Code Generator

import requests
from string import ascii_lowercase

MALE = 0
FEMALE = 1

monthMap = {
        1 : "A",
        2 : "B",
        3 : "C",
        4 : "D",
        5 : "E",
        6 : "H",
        7 : "L",
        8 : "M",
        9 : "P",
        10 : "R",
        11 : "S",
        12 : "T"
    }

def conditionInput(inputText, errorText, inputCondition) :
    while True :
        try :
            n = input(inputText)
            if not inputCondition(n) :
                raise Exception()
            break
        except :
            print(errorText)
            continue
    return n

def letterizeMonth(month) :
    return monthMap[month]

def numberInput(inputText, errorText, inputCondition) :
    return int(conditionInput(inputText, errorText, \
                          lambda n: n.isdecimal() and inputCondition(int(n))))

def reduceName(name) :
    consonants = [i for i in list(name) if i not in ('a', 'e', 'i', 'o', 'u')]
    vowels = [i for i in list(name) if i in ('a', 'e', 'i', 'o', 'u')]

    return ("".join(consonants[:3]) if len(consonants) >= 3 else \
            "".join(consonants) + "".join(vowels[:3 - len(consonants)]) \
            if len(vowels) >= 3 - len(consonants) else \
            "".join(consonants + vowels)).upper()

class CodeCertifier() :
    DRAW_MAP = {
        "A":0,  0:0,  "K":10,  "T":19,
        "B":1,  1:1,  "L":11,  "U":20,
        "C":2,  2:2,  "L":11,  "V":21,
        "D":3,  3:3,  "M":12,  "W":22,
        "E":4,  4:4,  "N":13,  "X":23,
        "F":5,  5:5,  "O":14,  "Y":24,
        "G":6,  6:6,  "P":15,  "Z":25,
        "H":7,  7:7,  "Q":16,
        "I":8,  8:8,  "R":17,
        "J":9,  9:9,  "S":18
    }

    ODD_MAP = {
        "A":1,  0:1,  "K":2,  "T":14,
        "B":0,  1:0,  "S":12, "U":16,
        "C":5,  2:5,  "L":4,  "V":10,
        "D":7,  3:7,  "M":18, "W":22,
        "E":9,  4:9,  "N":20, "X":25,
        "F":13, 5:13, "O":11, "Y":24,
        "G":15, 6:15, "P":3,
        "H":17, 7:17, "Q":6,
        "I":19, 8:19, "R":8,
        "J":21, 9:21, "Z":25
    }

    CH_MAP = {index : letter.upper()  \
              for index, letter in enumerate(ascii_lowercase)}

    def calculateCertifyCode(self, code) :
        total = 0
        for i in list(code) :
            if i.isdecimal() : i = int(i)
            if ((code.index(str(i)) + 1) % 2) == 0 :
                total += self.DRAW_MAP[i]
            else : total += self.ODD_MAP[i]

        chc = int(total / 26)
        return self.CH_MAP[chc]



class CitiesScraper() :
    CITIES_URL = "https://raw.githubusercontent.com" + \
                 "/matteocontrini/comuni-json/master/comuni.json"

    def __init__(self) :
        r = requests.get(self.CITIES_URL)
        r.raise_for_status()
        self.cities = r.json()

    def getRawData(self) :
        return self.cities

    def isCityExistent(self, name) :
        for city in self.cities :
            if name.strip().lower() == \
               city["nome"].strip().lower() :
                return True
        return False

    def getCityFromName(self, name) :
        for city in self.cities :
            if name.strip().lower() == \
               city["nome"].strip().lower() :
                return city
        return None

print("Caricamento informazioni sui comuni...")
cities = CitiesScraper()
print("Comuni caricati\n")


print("CALCOLATORE CODICE FISCALE")
print("by MRtecno98\n")


surname = input("Inserisci cognome: ")
name = input("Inserisci nome: ")


print()
print("Inserisci data di nascita:")
day = numberInput("Inserisci giorno: ", \
                  "Inserisci un numero valido", \
                  lambda n: n > 0 and n <= 31)

month = numberInput("Inserisci mese: ", \
                    "Inserisci un numero valido", \
                    lambda n: n > 0 and n <= 12)

year = numberInput("Inserisci anno: ", \
                  "Inserisci un numero valido", \
                  lambda n: True)


print()
sex = conditionInput("Inserisci sesso: ", \
                     "Inserisci un sesso valido", \
                     lambda n: n.lower() == "m" or n.lower() == "maschio" or \
                               n.lower() == "f" or n.lower() == "femmina").lower()
sex_ser = MALE if sex == "maschio" or sex == "m" else \
          FEMALE if sex == "femmina" or sex == "f" else None


print()
city = conditionInput("Inserisci comune: ", \
                      "Inserisci un comune valido", \
                      lambda n: cities.isCityExistent(n))

city_code = cities.getCityFromName(city)["codiceCatastale"]

print()
print("Calcolo del codice fiscale...")

code = (reduceName(surname) + reduceName(name) + \
       "".join(str(year)[2:]) + letterizeMonth(month) + \
       str(day if sex_ser == MALE else day + 40) + city_code).upper()

print("Caricamento certificatore...")
certifier = CodeCertifier()
ccode = certifier.calculateCertifyCode(code)

code += ccode

print()
print("Operazioni Terminate. Codice fiscale: " + code)