text_plain_output_1.png
import pandas as pd # data processing, CSV file I/O (e.g. pd.read_csv)

df = pd.read_csv('/kaggle/input/car-specification-dataset-1945-2020/Car Dataset 1945-2020.csv', low_memory=False)

dfcolumns = df.columns
dfcolumns_indexes = {i: dfcolumns[i] for i in range(len(dfcolumns))}

for c in dfcolumns_indexes:
    col_name = dfcolumns_indexes[c]
    print(f'{col_name}: {df[col_name].nunique()}')