My answer :)

import calendar

def get_month(date_string):
    # Split the date string into a list of three strings, representing the day, month, and year
    try:
        day, month, year = date_string.split("-")
        # Convert the month string to an integer
        month_number = int(month)
    except (ValueError, TypeError):
        # Handle invalid input
        return None, None, None

    # Get the month name from the calendar module
    month_name = calendar.month_name[month_number]

    # Create a tuple of the day, month name, and year
    date_tuple = (int(day), month_name, int(year))

    # Create a list of all the months in the year
    months_list = [
        "January",
        "February",
        "March",
        "April",
        "May",
        "June",
        "July",
        "August",
        "September",
        "October",
        "November",
        "December",
    ]

    # Create a set of all the months in the year
    months_set = {
        "January",
        "February",
        "March",
        "April",
        "May",
        "June",
        "July",
        "August",
        "September",
        "October",
        "November",
        "December",
    }

    # Create a dictionary that maps month numbers to month names
    month_dict = {
        1: "January",
        2: "February",
        3: "March",
        4: "April",
        5: "May",
        6: "June",
        7: "July",
        8: "August",
        9: "September",
        10: "October",
        11: "November",
        12: "December",
    }

    return date_tuple, months_list, months_set, month_dict

# Test the function with the input string '26 - 01 - 2022'
date_tuple, months_list, months_set, month_dict = get_month("26-01-2022")

print("Date tuple:", date_tuple)  # Output: Date tuple: (26, 'January', 2022)
print("Months list:", months_list)  # Output: Months list: ['January', 'February', 'March', 'April', 'May', 'June', 'July', 'August', 'September', 'October', 'November', 'December']
print("Months set:", months_set)  # Output: Months set: {'March', 'July', 'June', 'January', 'December', 'May', 'August', 'April', 'September', 'February', 'October', 'November'}
print("Month dict:", month_dict)  # Output: Month dict: {1: 'January', 2: 'February', 3: 'March', 4: 'April', 5: 'May', 6: 'June', 7: 'July', 8: 'August', 9: 'September', 10: 'October', 11: 'November', 12: 'December'}
``