for part 2

bball ref -- obj to float

# Function changes all object columns that should be numeric to an int or float
def obj_to_num(nba_df):
    
    str_cols = ['Name', 'Team', 'Twitter Handle', 'Position', 'Height']
    
    for i in nba_df.columns:
        if i not in str_cols:
            nba_df[i] = pd.to_numeric(nba_df[i])
    
    print(nba_df.dtypes)

obj_to_num(all_nba_players_2021)