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

DataDir = '/kaggle/input/factors-affecting-campus-placement/Placement_Data_Full_Class.csv'
campus_data = pd.read_csv(DataDir)

s = campus_data.dtypes == 'object'
object_cols = list(s[s].index)

print('unic objects in the salary: ', campus_data['salary'].unique())