pandas calculate nan in column code example

Example 1: knowing the sum null values in a specific row in pandas dataframe

note:df is syour dataframe 

print(df['emp_title'].isnull().sum())

Example 2: how to get the amount of nan values in a data fram

#where A is the name of the column
#where df is the name of the dataframe
count = df["A"].isna().sum()