For Loops and Range Function

For Loops and Range Function

Count-controlled Loops

Multiple Select

By the end of this lesson you should be able to ....

• use the range() function

• create for loops over a range of integers

• create while loops

• define functions

Multiple Choice

Why do we need to have loops anyway in a computer program?

• To avoid needless repetition of lines of code

• To make the code much cooler

• To show off your coding skills

• To put code into the correct order

Multiple Choice

range() is an example of a ___________ in Python

• data structure

• key word

• function

• variable

Multiple Choice

Which line of code would create the output shown?

• print(list(range(12)))

• print(list(range(11)))

• list(range(12))

• range(11)

Fill in the Blank

Values that are provided as inputs to a function when it is called?

Multiple Choice

Which line of code would produce the output shown?

• print(list(range(2,22,2)))

• print(list(range(2,20)))

• print(list(range(0,22)))

• print(list(range(1,21,2)))

Multiple Choice

What type of loop is a 'for' loop?

• Conditional

• Count-controlled

• Infinite

• Nested

Multiple Choice

Identify the loop variable in this loop?

• i

• j

• k

• num

Fill in the Blank

Word used to describe the action of using a for loop to repeat an action over every item in a list?

Multiple Choice

What will the output be from this loop?

• All the colours in list printed on the same line

• No output

• All the colours in list printed out, each on a new line

• Every letter in 'colours' printed on a new line

Multiple Choice

How do you think a 'for' loop is represented in a flow chart?

• Decision symbol with option to loop back

• Decision symbol with no loop back ooption

• It is not represented

• Multiple decisions one after another

Multiple Select

Two ways to use a for loop?

• To iterate over a specific range of integers

• To iterate over all the items in a data structure

• To iterate as long as a condition is True

• To iterate until a condition becomes False

Multiple Choice

The range function generates a series of ___________ from start to stop.

• integers

• numbers

• lists

• strings

Fill in the Blank

It can include an optional parameter to specify the step size. If this is omitted the default step size is ________

Open Ended

Thinking Hard

What have you learnt today?

What can you do with this knowledge/skill/understanding?

What do you still need to know?

(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