Celebrity Birthday Checker

import requests
from bs4 import BeautifulSoup

print("Please enter your birthday:")
while True:
    try:
        BD_Month = int(input("Month (1-12): ").replace(' ', ''))
    except ValueError:
        print("Invalid input")
        continue

if BD_Month < 1:
        print("Insert a number greater than 0")
        continue
    elif BD_Month > 12:
        print("Insert a number less than 13.")
    else:
        break

Months = ('january', 'february', 'march', 'april', 'may', 'june', 'july', 'august', 'september', 'october', 'november', 'december')
Month = dict(zip(range(12), Months))
months_with_30_days = ['9', '4', '6', '11']
months_with_31_days = ['1', '3', '5 ', '7', '8', '10', '12']
months_with_29_days = ['2 ']

if any(str(BD_Month) in code for code in months_with_31_days):
    while True:    
        try:
            BD_Day = int(input("Day (1-31): ").replace(' ', ''))
        except ValueError:
            print("Invalid input")
            continue
            
        if BD_Day < 1:
            print("Insert a number greater than 0")
            continue
        elif BD_Day > 31:
            print("Insert a number less than 32.")
        else:
            break
elif any(str(BD_Month) in code for code in months_with_29_days):
    while True:    
        try:
            BD_Day = int(input("Day (1-29): ").replace(' ', ''))
        except ValueError:
            print("Invalid input")
            continue
            
        if BD_Day < 1:
            print("Insert a number greater than 0")
            continue
        elif BD_Day > 29:
            print("Insert a number less than 30.")
        else:
            break

elif any(str(BD_Month) in code for code in months_with_30_days):
    while True:    
        try:
            BD_Day = int(input("Day (1-30): ").replace(' ', ''))
        except ValueError:
            print("Invalid input")
            continue
            
        if BD_Day < 1:
            print("Insert a number greater than 0")
            continue
        elif BD_Day > 30:
            print("Insert a number less than 31.")
        else:
            break

messy_url = ['http://www.famousbirthdays.com/', str(Month[BD_Month - 1]), str(BD_Day), '.html']
url = ''.join(messy_url) #Need completed url to be scraped
r = requests.get(url)
soup = BeautifulSoup(r.content, 'lxml')
spans = soup.find_all('span', attrs={'class':'title'})

print("The following people were born on your birthday:")
for span in spans:
    print(span.string)

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