Answers for "how to check null in a column in python"

1

knowing the sum null values in a specific row in pandas dataframe

note:df is syour dataframe 

print(df['emp_title'].isnull().sum())
Posted by: Guest on May-11-2020
0

python if column is null then

df['real_lastName'] = np.where(df['LastName'].isnull(), df['Middle'], df['LastName'] )

print (df)
  FirstName Middle LastName real_lastName
0       Tom     Ju      NaN            Ju
1      Kity    NaN      Rob           Rob
Posted by: Guest on June-30-2020

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