select_color = df.loc[df['Color'] == 'Green']#To select rows whose column value is in an iterable array, which we'll define as array, you can use isin:
array = ['yellow', 'green']
df.loc[df['favorite_color'].isin(array)]#To select rows whose column value equals a scalar, some_value, use ==:df.loc[df['favorite_color'] == 'yellow']#To select rows whose column value equals a scalar, some_value, use ==:df.loc[df['favorite_color'] == 'yellow']