How variable type changes at runtime in Python - Interactive Practice

Practice - 5 Tasks

1fill in blank

easy

Complete the code to assign an integer value to the variable.

Python

x = [1]

Drag options to blanks, or click blank then click option'

A10

B3.14

C"hello"

DTrue

Attempts:

3 left

💡 Hint

Common Mistakes

Using quotes around numbers makes them strings.

Using decimal points makes the number a float.

The variable x is assigned the integer value 10.

2fill in blank

medium

Complete the code to change the variable to a string value.

Python

x = [1]

Drag options to blanks, or click blank then click option'

A100

B"world"

CFalse

D3.5

Attempts:

3 left

💡 Hint

Common Mistakes

Forgetting quotes around text.

Using numbers without quotes when a string is needed.

The variable x is now assigned the string value "world".

3fill in blank

hard

Fix the error in the code to assign a float value to the variable.

Python

x = [1]

Drag options to blanks, or click blank then click option'

A3.14

B3,14

C"3.14"

Dpi

Attempts:

3 left

💡 Hint

Common Mistakes

Using commas instead of dots for decimals.

Putting numbers in quotes makes them strings.

The variable x is assigned the float value 3.14 without quotes or commas.

4fill in blank

hard

Fill both blanks to create a variable that changes from integer to boolean.

Python

x = [1]
x = [2]

Drag options to blanks, or click blank then click option'

A5

BTrue

CFalse

D"5"

Attempts:

3 left

💡 Hint

Common Mistakes

Using quotes around True or False makes them strings.

Assigning a string instead of an integer first.

First, x is assigned the integer 5. Then it changes to the boolean value True.

5fill in blank

hard

Fill all three blanks to show a variable changing from string to float to integer.

Python

x = [1]
x = [2]
x = [3]

Drag options to blanks, or click blank then click option'

A"7.5"

B7.5

C7

D7.0

Attempts:

3 left

💡 Hint

Common Mistakes

Keeping quotes when changing to float or integer.

Using 7.0 instead of 7 for the integer value.

The variable x starts as a string "7.5", then changes to a float 7.5, and finally to an integer 7.