If, Elif, Else, Readability

If, Elif, Else, Readability

Good practices for selection statements

Multiple Select

In this lesson I am going to learn to ... ?

• Use relational operators

• Use if ... elif ... else in code

• Identify readability features in code

Multiple Choice

This is an example of ... ?

• Selection

• Repetition

• Sequence

• Iteration

Open Ended

Remind yourself of the relational operator symbols for:

greater than / less than

greater than or eqial to / less than or equal to

is equal to / is not equal to

Multiple Choice

What is output for an input of 18?

• "You cannot drive"

• "You could drive a moped"

• "You could drive a car"

• No output

Fill in the Blanks

Fill in the Blanks

Multiple Choice

Programmers call the use of the 0.2 value here a ________ number.

• magic

• random

• unknown

• fixed

Multiple Select

Choose all the rules for how constant values should be identified ...

• written in UPPER CASE

• words separated by _

• meaningful/descriptive name

• preceded by keyword const

• name shorter than 10 characters

Open Ended

Create your own constant identifiers for:

the mathematical value of pi (3.14)

the VAT rate of 20%

the speed of light

Hubble's constant

Multiple Select

Choose all the ways in which you can make your code more readable ...

• Using descriptive identifiers

• Adding comments

• Use of whitespace

• Structuring your program code

• Making it as long as possible

Fill in the Blanks

Fill in the Blanks

Fill in the Blanks

Fill in the Blanks

Fill in the Blanks

Fill in the Blanks

Fill in the Blanks

Fill in the Blanks

Multiple Select

In this lesson I have learned to ...

• Use relational operators

• Use if ... elif ... else in code

• Identify readability features in code

Open Ended

Thinking Hard

Prioritise the knowledge you have gained in this lesson from most to least important.

(press Shift+Enter to take a new line ...)

Poll

How much of this lesson have you understood?

• None of it

• Some of it

• Most of it

• All of it