Lecture 1 - Conditionals

Question 1

Allows the programmer, to allow your program to make decisions based upon certain conditions.

Answer 1

Conditionals

Question 2

Used to ask mathematical questions

Answer 2

Operators

Question 3

Denotes “greater than or equal to.”

Answer 3

> =

Question 4

Denotes “less than or equal to.”

Answer 4

<=

Question 5

Denotes “equals”, used to compare variables.

Answer 5

==

Question 6

Denotes “not equal to.

Answer 6

!=

Question 7

This kind of statement uses bool or boolean values (true or false) to decide whether or not to execute.

Answer 7

If

Question 8

This kind of statement allows the program to make fewer decisions.

First, the if statement is evaluated. If this statement is found to be true, all the ____ statements will not be run at all.

Answer 8

Elif

Question 9

Elif Syntax

Answer 9

if x < y:
print(“x is less than y”)

elif x > y:
print(“x is greater than y”)

elif x == y:
print(“x is equal to y”)

Question 10

Statements that catches anything which isn’t caught by the preceding conditions.

Answer 10

Else

Question 11

Else Syntax

Answer 11

if b > a:
print(“b is greater than a”)

elif a == b:
print(“a and b are equal”)

else:
print(“a is greater than b”)

Question 12

This conditional allows your program to decide between one or more alternatives.

Answer 12

Or

Question 13

Or Syntax

Answer 13

if x < y or x > y:
print(“x is not equal to y”)

else:
print(“x is equal to y”)

Question 14

Is a logical operator, and is used to combine conditional statements

Answer 14

And

Question 15

Statements that allows you to more easily control the flow of your programs by executing certain parts of code if conditions (or cases) are met.

Answer 15

Match Case

Question 16

Match Case Syntax

Answer 16

> > > command = ‘Hello, World!’

> > > match command:
… case ‘Hello, World!’:
… print(‘Hello to you too!’)
… case ‘Goodbye, World!’:
… print(‘See you later’)
… case other:
… print(‘No match found’)

Hello to you too!

Question 17

This will match with any input, resulting in similar behavior as an else statement.

Answer 17

_ Symbol

Question 18

_ Symbol Syntax

Answer 18

match name:
case “Harry”:
print(“Gryffindor”)
case “Hermione”:
print(“Gryffindor”)
case “Ron”:
print(“Gryffindor”)
case “Draco”:
print(“Slytherin”)
case _:
print(“Who?”)

Question 19

A match statement compares the value following the match keyword with each of the values following the ____ keywords

Answer 19

Case

Question 20

Case Syntax

Answer 20

match name:
case “Harry” | “Hermione” | “Ron”:
print(“Gryffindor”)
case “Draco”:
print(“Slytherin”)
case _:
print(“Who?”)

Question 21

Much like the or keyword, this allows us to check for multiple values in the same case statement.

Answer 21

Single | bar

Question 22

Single | Syntax

Answer 22

match name:
case “Harry” | “Hermione” | “Ron”:
print(“Gryffindor”)