Answers for "find row by column field dataframe"

only keep rows of a dataframe based on a column value

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

only keep rows of a dataframe based on a column value

df.loc[(df['column_name'] >= A) & (df['column_name'] <= B)]

get value of a pd for specific values in column

df.loc[df['column_name'].isin(some_values)]