Level Exam: Professional

1. What is printed?

import numpy as np
print(np.array([1,2,3]).sum())

6 123 3 Error

2. matplotlib is used for...

Charts and graphs Database queries Web requests File compression

3. The average of a list can be found with sum() and ___()

4. A professional Python program should have...

Clean, readable code No functions Only one line No comments ever

5. Which library is used for arrays?

numpy random os time