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import numpy as np
import pandas as pd
import matplotlib.pyplot as plt
import seaborn as sns
import warnings
warnings.filterwarnings('ignore')

Missing value

#To generate null values
np.nan
nan
#Work on Real Dataset Automobile_data.csv
#to load dataset 
car=pd.read_csv("Automobile_data.csv")
#to show first 5 records
car.head()