
    Develop a function for the content recommendation engine that determines if a given posting month has 31 days, which affects the monthly content distribution schedule and engagement metrics calculation. The function should accept a month number (1-12) as input and return true if the month has 31 days, or false otherwise.
    

    
def check_monthnumb_number(monthnum2):
    """
    Develop a function for the content recommendation engine that determines if a given posting month has 31 days, which affects the monthly content distribution schedule and engagement metrics calculation. The function should accept a month number (1-12) as input and return true if the month has 31 days, or false otherwise.
    

    """
def check_monthnumb_number(monthnum2):
    """
    Develop a function for the content recommendation engine that determines if a given posting month has 31 days, which affects the monthly content distribution schedule and engagement metrics calculation. The function should accept a month number (1-12) as input and return true if the month has 31 days, or false otherwise.
    

    """
    if monthnum2 == 1 or monthnum2 == 3 or monthnum2 == 5 or (monthnum2 == 7) or (monthnum2 == 8) or (monthnum2 == 10) or (monthnum2 == 12):
        return True
    else:
        return False