Python Functions

Question 1

What will be the output of the following code :

python

print type(type(int))

• type \'int\'
• type \'type\'
• Error
• 0

Question 2

What is the output of the following code :

python

L = [\'a\',\'b\',\'c\',\'d\']
print(\"\".join(L))

• Error
• None
• abcd
• [‘a’,’b’,’c’,’d’]

Question 3

What is the output of the following segment :

chr(ord(\'A\'))

• A
• B
• a
• Error

Question 4

What is the output of the following program :

python3

y = 8
z = lambda x : x * y
print (z(6))

• 48
• 14
• 64
• None of the above

Question 5

What is called when a function is defined inside a class?

• Module

• Class

• Another Function

• Method

Question 6

Which of the following is the use of id() function in python?

• Id returns the identity of the object
• Every object doesn’t have a unique id
• All of the mentioned
• None of the mentioned

Question 7

What is the output of the following program :

python

import re
sentence = \'horses are fast\'
regex = re.compile(\'(?P<animal>\\w+) (?P<verb>\\w+) (?P<adjective>\\w+)\')
matched = re.search(regex, sentence)
print(matched.groupdict())

• {‘animal’: ‘horses’, ‘verb’: ‘are’, ‘adjective’: ‘fast’}
• (‘horses’, ‘are’, ‘fast’)
• ‘horses are fast’
• ‘are’

Question 8

Suppose list1 is [3, 4, 5, 20, 5, 25, 1, 3], what is list1 after list1.pop(1)?

• [3, 4, 5, 20, 5, 25, 1, 3]
• [1, 3, 3, 4, 5, 5, 20, 25]
• [3, 5, 20, 5, 25, 1, 3]
• [1, 3, 4, 5, 20, 5, 25]

Question 9

time.time() returns ________

• the current time
• the current time in milliseconds
• the current time in milliseconds since midnight
• the current time in milliseconds since midnight, January 1, 1970
• the current time in milliseconds since midnight, January 1, 1970 GMT (the Unix time)

Question 10

Consider the results of a medical experiment that aims to predict whether someone is going to develop myopia based on some physical measurements and heredity. In this case, the input dataset consists of the person’s medical characteristics and the target variable is binary: 1 for those who are likely to develop myopia and 0 for those who aren’t. This can be best classified as

• Regression
• Decision Tree
• Clustering
• Association Rules