Question 1

Complete the text below.

When a request requires additional parameters in the URI (Uniform Resource Identifier), they are typically appended to the URI as key-value pairs. Multiple parameters are separated from each other using the _____ symbol.

Options :

A : #

B : &

C : space

D : +

Answer: B

Question 2

Suppose you have the following XML file called books.xml:

Gambardella, Matthew

XML Developer's Guide

Computer

44.95

2000-10-01

An in-depth look at creating applications

with XML.

Ralls, Kim

Midnight Rain

Fantasy

5.95

2000-12-16

A former architect battles corporate zombies,

an evil sorceress, and her own childhood to become queen

of the world.

How can you parse this document using xml.etree.ElementTree module?

Options :

A : import xml.etree.ElementTree as ET

tree = ET.todict('books.xml')

B : import xml.etree.ElementTree as ET

tree = ET.dump('books.xml')

C : import xml.etree.ElementTree as ET

tree = ET.tostring('books.xml')

D : import xml.etree.ElementTree as ET

tree = ET.parse('books.xml')

Answer: D

Question 3

Options :

A :

B :

C :

D :

Answer: B

Question 4

The Zen of Python says "Explicit is better than implicit."

With that in mind, which code best fits that sentence? (select 2)

Options :

A :

import numpy as np

A = np.array([4, 6])

B :

from math import *

exp(1)

C :

from numpy import *

A = array([4, 6])

D :

import math

math.exp(1)

Answer: A,D

Question 5

Which code snippet follows PEP 8 recommendations for making comparisons to the None object?

Options :

A :

if not user_input is None:

print('You have entered some value.')

B :

if user_input == None:

print('You have not entered any value.')

C :

if user_input = None:

print('You have not entered any value.')

D :

if user_input is None:

print('You have not entered any value.')

Answer: D