Python

Question 1

Python is used for ______

Answer 1

web development (server-side),
software development,
system scripting

Question 2

Indentation refers to the _____ at the beginning of a code line.

Answer 2

spaces
the indentation in Python is very important.

Question 3

The number of spaces is up to you as a programmer, the most common use is ___, but it has to be at least one.

Answer 3

four

Question 4

You have to use the ________ in the same block of code, otherwise Python will give you an error:

Answer 4

same number of spaces

Question 5

In Python, variables are created when you ______

Answer 5

assign a value to it.

Question 6

Comments start with a ___

Answer 6

#

Question 7

Python does not really have a syntax for _______ comments.

Answer 7

multiline

Question 8

You can use ________ string as multiline comment

Answer 8

multiline string (triple quotes)
“ “ “This
is multiline comment “ “ “

Question 9

You can get the data type of a variable with the____function.

Answer 9

type()
y = “John”
print(type(y))

Question 10

Variable names are _______

Answer 10

case-sensitive. (‘a’ is different than “A”)

Question 11

A variable name must start with a __________

Answer 11

letter or the underscore character

Question 12

A variable name cannot start with a _______

Answer 12

number

Question 13

A variable name can only contain ____________

Answer 13

alpha-numeric characters and underscores

Question 14

Multi Words Variable Names

Variable names with more than one word can be difficult to read.

There are several techniques you can use to make them more readable:

Answer 14

Camel Case (Each word, except the first, starts with a capital letter:) - myVariableName = “John”

Pascal Case (Each word starts with a capital letter:) -MyVariableName = “John”

Snake Case (Each word is separated by an underscore character:) - my_variable_name = “John”

Question 15

Python _____ function is often used to output variables.

Answer 15

print()

Question 16

The best way to output multiple variables in the print() function is to separate them with ____ which even support different data types:

Answer 16

commas
x = 5 y = “John”
print(x, y)

5 John

Question 17

Insert the correct keyword to make the variable x belong to the global scope.

def myfunc():
________ x
x = “fantastic”

Answer 17

global

Question 18

Built-in Data Types

Answer 18

Text Type: str
Numeric Types: int, float, complex
Sequence Types: list, tuple, range
Mapping Type: dict
Set Types: set, frozenset
Boolean Type: bool
Binary Types: bytes, bytearray, memoryview
None Type: NoneType

Question 19

You can get the data type of any object by using the _____function:

Answer 19

type()
print(type(x))
<class ‘list’>

Question 20

Data type of below,
x = [“apple”, “banana”, “cherry”] - _________
x = (“apple”, “banana”, “cherry”) - ____________
x = {“name” : “John”, “age” : 36} - ___________
x = {“apple”, “banana”, “cherry”} - ______________
x = frozenset({“apple”, “banana”, “cherry”})
- __________

Answer 20

Datatype:
list
tuple
dict
set
frozenset

Question 21

There are three numeric types in Python:

int
float
complex

Answer 21

x = 1 # int
y = 2.8 # float
z = 1j # complex

print(type(z))
<class ‘complex’>

Question 22

convert from float to int:

y = int(2.8)

z = complex(1)

Answer 22

2
(1+0j)

Question 23

import _____

print(random._____(1, 10))

Answer 23

random
randrange

8

Question 24

The len() function returns the length of a string:

Answer 24

a = “Hello, World!”
print(len(a))
13

Question 25

You can return a range of characters by using the ____ syntax.

Answer 25

slice
b = “Hello, World!”
print(b[2:5])

—>llo

Question 26

a = “Hello, World!”
print(a.upper()) - ______
print(a.lower()) - ______
print(a.strip()) - ______

Answer 26

Uppercase
lowercase
removes any whitespace from the beginning or the end

Question 27

a = “Hello, World!”
print(a.replace(“H”, “J”))

Answer 27

Jello, World!

Question 28

To insert characters that are illegal in a string, use an ______

Answer 28

escape character (")

txt = “We are the so-called "Vikings" from the north.”
print(txt)

Question 29

' Single Quote - _____

\ Backslash - ____

\n New Line

Answer 29

txt = ‘It's alright.’
It’s alright.

This will insert one \ (backslash).

Question 30

Almost any value is evaluated to ____ if it has some sort of content.

Any string is True, except _______

Any number is True, except ____

Any list, tuple, set, and dictionary are True, except ______

Answer 30

True
empty strings.
0
empty ones

Question 31

There are not many values that evaluate to ______, except empty values, such as (), [], {}, “”, the number ______, and the value None. And of course the value False evaluates to False.

Answer 31

False
0