text_html_output_1.png
import pandas as pd

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

df = pd.read_csv('/kaggle/input/breast-cancer-csv/breastCancer.csv')
df

df.shape

df.columns

c = {col: df[df[col] == '?'].shape[0] for col in df.columns}
c