Unit 1

Question 1

A namespace is:

Answer 1

a space in which names exist

Question 2

If you want to import pi from math, which line will you use?

Answer 2

from math import pi

Question 3

Which one of the following is true?

Answer 3

packages contain modules

Question 4

What can you do to indicate that a module entity should be treated as private?

Answer 4

A. you can mark the entity name with the _ (single underscore) prefix

B. you can mark the entity name with the __ (double underscore) prefix

Question 5

A PWG-lead repository, collecting open-source python code is called:

Answer 5

PyPl

Question 6

PyPl i often referred to as:

Answer 6

Cheese Shop

Question 7

The name pip comes from:

Answer 7

pip installs packages

Question 8

What is true about pop?

Answer 8

A. it’s a command-line tool

B. there are two different pip implementations, one for Python 2 and the other for Python 3

Question 9

When you use pip to install a package that requires one or more dependencies, then:

Answer 9

pip will take care of everything by itself

Question 10

Which of the following commands will you use to determine your pip version

Answer 10

A. pip -version
B. pip version
C. pip –version

Question 11

The pip install command presents a list of:

Answer 11

locally installed packages

Question 12

from random import randint

for i in range (2):
print(randint(1, 2), end=” “)

prints a number 2 times with a randomly generated num between 1 and 2, with only a space between the 2 singular numbers

Answer 12

11, 12, 21, or 22

Question 13

the pyc file contains:

Answer 13

compiled Python code

Question 14

What is true about updating already installed Python Packages?

Answer 14

its performed by the install command accompanied by the -U option

use -U to update an existing package

Question 15

During the first import of a module, Python deploys the pyc files in the directory called:

Answer 15

pycache

pyc = pycache

Question 16

A predefined Python variable that stores the current module name is called:

Answer 16

name

Question 17

a list of package’s dependencies can be obtained from pip using its command named:

Answer 17

show

Question 18

How to use pip to remove an installed package?

Answer 18

pip uninstall package

Question 19

Knowing that a function named fun() resides in a module named mod, and it has been imported using the following line:

import mod

Choose the way it can be invoked in your code:

Answer 19

mod.fun()

Question 20

What is true about the pip install command

Answer 20

A. It allows the user to install a specific version of the package
B. it install a package per user only when the –user option is specified

Question 21

a function which returns a list of all entities available in a module is called:

Answer 21

dir()

Question 22

What is true about the pip search command?

Answer 22

A. all its searches are limited to locally installed packages
B. it searches through all PyPl packages
C.it needs working internet connect to work

Question 23

Choose the true statements:

Answer 23

A. The version function from the platform module returns a string with your OS version

B. The system function from the platform module returns a string with your OS name

Question 24

from a.b import c

causes the import of:

Answer 24

entity c from module b from package a

Question 25

import math result = math.e != math.pow(2, 4) print(int(result))

Answer 25

A. 1 when a the boolean True is set as an integer it returns 1

Question 26

Knowing that a function named fun() reside in a module named mod, choose the correct way to import it:

Answer 26

from mod import fun

Question 27

When a module is imported, its contents:

Answer 27

are executed one (implicitly)

Question 28

The digraph written as #! is used to:

Answer 28

tell a Unix-like OS how to execute the contents of a python file.