# Numpy Quiz

## Quiz by Varun Patkar

Feel free to use or edit a copy

includes Teacher and Student dashboards

### Measure skillsfrom any curriculum

Measure skills

from any curriculum

Tag the questions with any skills you have. Your dashboard will track each student's mastery of each skill.

With a free account, teachers can

- edit the questions
- save a copy for later
- start a class game
- automatically assign follow-up activities based on students’ scores
- assign as homework
- share a link with colleagues
- print as a bubble sheet

5 questions

Show answers

- Q1Why is Numpy Faster than Lists?Lists use contiguous memoryNumpy uses fixed typesLists has no typechechingNumpy disallows Broadcasting20s
- Q2Give the output: a=np.array([1,2,3]) a.shape(,3)(3,1)(3,)(1,3)20s
- Q3Which of these types of data types do not exist?float8int8int16float1620s
- Q4d=np.array([[1,2,3,4,5,6,7],[8,9,10,11,12,13,14]]) What do you put in to extract [2,4,6]d[0,1:-1:2]d[0,0:-1:2]d[1,1:-1:2]d[0,1:-3:2]45s
- Q5Which of the following code gives output as : [[1,5,5], [5,1,5], [5,5,1]](5*np.ones((3,3)))-(4*np.identity((3,3)))(5*np.identity((3,3)))-(4*np.ones(3))(5*np.ones((3,3)))-(4*np.identity(3))(4*np.ones((3,3)))-(5*np.zeros(3))45s