Numpy Quiz | Quizalize

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Numpy Quiz

Quiz by Varun Patkar

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Why is Numpy Faster than Lists?
29

Lists use contiguous memory
Numpy uses fixed types
Lists has no typecheching
Numpy disallows Broadcasting

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5 questions

Show answers

Q1
Why is Numpy Faster than Lists?
Lists use contiguous memory
Numpy uses fixed types
Lists has no typecheching
Numpy disallows Broadcasting
20s
Q2
Give the output: a=np.array([1,2,3]) a.shape
(,3)
(3,1)
(3,)
(1,3)
20s
Q3
Which of these types of data types do not exist?
float8
int8
int16
float16
20s
Q4
d=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
Q5
Which 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