Python Programming

Question 1

What is a program?

Answer 1

A program is a set of instructions in order to complete a task written in code.

Question 2

What is an algorithm?

Answer 2

An algorithm is a set of instructions in order to complete a task

Question 3

What does the “print” function do?

Answer 3

It prints what is given in the brackets afterwards

Question 4

What is a variable?

Answer 4

A space in computer memory that can be used to store a value or data that can be changed throughout the code.

Question 5

What are the variable name rules?

Answer 5

A variable name must start with a letter or the underscore character
A variable name cannot start with a number
A variable name can only contain alpha-numeric characters and underscores (A-z, 0-9, and _ )
Variable names are case-sensitive (age, Age and AGE are three different variables)
A variable name cannot be any of the Python keywords.

Question 6

What is the assignment of a variable?

Answer 6

Assignment is giving a variable a value

Question 7

What is a sequence in programming?

Answer 7

A sequence is when lines of code are executed one after the other

Question 8

What is selection?

Answer 8

Selection is when lines of code will only be executed when the condition is True

Question 9

What is iteration?

Answer 9

Repeated execution of lines of code when the condition is true

Question 10

What is count-controlled iteration?

Answer 10

Count-controlled iteration repeatedly executes a section of code a fixed, predetermined number of times.

Question 11

What is condition-controlled iteration?

Answer 11

Condition-controlled iteration repeatedly
executes a section of code until the condition is False

Question 12

What is nesting?

Answer 12

Nesting occurs when one programming construct is included within another

Question 13

What is concatenation?

Answer 13

Concatenation is the process of joining two or more strings together to form one single string

Question 14

What is casting?

Answer 14

Casting is when you specify a type onto a variable

Question 15

What is an integer?

Answer 15

An integer is a positive or negative whole number

Question 16

What is a float?

Answer 16

A float is a is a positive or negative number that can be a decimal

Question 17

What is a string?

Answer 17

A string is a data type that is a sequence of characters

Question 18

What is a boolean variable?

Answer 18

A boolean is a True or False value to use as a truth testing procedure

Question 19

What is a for loop an example of?

Answer 19

Count-controlled iteration

Question 20

What is a while loop an example of?

Answer 20

Condition-controlled iteration

Question 21

What is nesting?

Answer 21

Nesting occurs when one programming construct is included within another.

Question 22

Why do we comment on our code?

Answer 22

To make it easier for other programmers to understand

Question 23

What are the logical operators?

Answer 23

== , != , < , > , <= , >=

Question 24

What is the != operator?

Answer 24

Not equal to

Question 25

What is the == operator?

Answer 25

Equal to

Question 26

What is the < operator?

Answer 26

Less than

Question 27

What is the > operator?

Answer 27

Greater than

Question 28

What is the <= operator?

Answer 28

Less than or equal to?

Question 29

What is the >= operator?

Answer 29

Greater than or equal to

Question 30

What are the arithmetic operators?

Answer 30

+ , - , / , * , % , // , ^ ,

Question 31

What is the + operator?

Answer 31

Add

Question 32

What is the - operator?

Answer 32

Subtract

Question 33

What is the / operator?

Answer 33

Division

Question 34

What is the * operator?

Answer 34

Multiplication

Question 35

What is the // operator?

Answer 35

Whole number division

Question 36

What is the % operator?

Answer 36

Modulus operator (remainder)

Question 37

What is the ^ operator?

Answer 37

To the power of

Question 38

What is an array?

Answer 38

An array is a set of values of the same data (forpython they can be different) type stored under one identifier