find null values pandas

1#Python, pandas
2#Count missing values for each column of the dataframe df
3
4df.isnull().sum()
5

1df1 = df[df.isna().any(axis=1)]
2

1df.isnull().values.any()
2

1# Count total missing values in a dataframe
2
3df.isnull().sum().sum()
4
5# Gives a integer value

1note:df is your pandas dataframe
2
3print(df.isnull().sum())

1#Retreieve boolean values of whether or not the given cells of a dataframe are 
2#null
3df.isnull()