Answers for "see if 0 in row pandas"

fetch row where column is equal to a value pandas

df.loc[df['column_name'] == 'value']

how to count null values in pandas and return as percentage

percent_missing = df.isnull().sum() * 100 / len(df)
missing_value_df = pd.DataFrame({'column_name': df.columns,
                                 'percent_missing': percent_missing})