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

import seaborn as sns

df = pd.read_csv('/kaggle/input/data-science-salaries-2023/ds_salaries.csv')

df.isnull().sum().sum()

catg = []
for i in df.columns:
    if df[i].dtype == 'O':
        catg.append(i)

import seaborn as sns
correl = df.corr()
sns.heatmap(correl)