qobjects = [ { question: "What is a correct syntax for changing the 'Firstname' column in the first row to 'John'?", options: [ "df.loc[0, 'Firstname'] = 'John'", "df.loc[0]['Firstname'] = 'John'", "df.loc[0, 'Firstname', 'John']" ], correct: 0 }, { question: "Consider the following code:
for x in df.index:
  if df.loc[x, 'Duration'] > 120:
    df.drop(x, inplace = True)
What will happen in the result when the value for 'Duration' is higher than 120?", options: [ "The Duration value will be set to 120", "The Duration column will be deleted", "The entire row will be deleted" ], correct: 2 } ]