def check_missing_data(df):
    # check for any missing data in the df (display in descending order)
    return df.isnull().sum().sort_values(ascending=False)
def check_missing_data(df):
    # check for any missing data in the df (display in descending order)
    return df.isnull().sum().sort_values(ascending=False)
# check for any missing data in the df (display in descending order)