(Python Example for Beginners)   Write a Pandas program to calculate the mean score for each different student in data frame. Sample DataFrame: exam_data = {‘name’: [‘Anastasia’, ‘Dima’, ‘Katherine’, ‘James’, ‘Emily’, ‘Michael’, ‘Matthew’, ‘Laura’, ‘Kevin’, ‘Jonas’], ‘score’: [12.5, 9, 16.5, np.nan, 9, 20, 14.5, np.nan, 8, 19], ‘attempts’: [1, 3, 2, 3, 2, 3, 1, … Continue reading Pandas Example – Write a Pandas program to calculate the mean score for each different student in data frame