Dynamic typing in Python - Interactive Code Practice

Practice - 5 Tasks

1fill in blank

easy

Complete the code to assign a string to the variable.

Python

message = [1]

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

A"Hello, world!"

B100

CTrue

D3.14

Attempts:

3 left

💡 Hint

Common Mistakes

Forgetting to put quotes around the string.

Using a number instead of a string.

The variable message is assigned a string value using quotes.

2fill in blank

medium

Complete the code to change the variable type from int to float.

Python

number = 10
number = [1](number)

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

Alist

Bstr

Cfloat

Dbool

Attempts:

3 left

💡 Hint

Common Mistakes

Using str() which converts to text, not a number.

Using bool() which converts to True or False.

The float() function converts an integer to a floating-point number.

3fill in blank

hard

Fix the error by completing the code to add a number to a string correctly.

Python

age = 30
message = "I am " + [1] + " years old."

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

Afloat(age)

Bage

Cint(age)

Dstr(age)

Attempts:

3 left

💡 Hint

Common Mistakes

Trying to add an integer directly to a string causes an error.

Using int() or float() does not convert to string.

You must convert the number age to a string before adding it to another string.

4fill in blank

hard

Fill both blanks to create a list of squares for numbers greater than 3.

Python

squares = [x[1]2 for x in range(1, 6) if x [2] 3]

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

A**

B>

C<

D+

Attempts:

3 left

💡 Hint

Common Mistakes

Using + instead of power operator.

Using < instead of > for filtering.

The ** operator is used for power, and > filters numbers greater than 3.

5fill in blank

hard

Fill all three blanks to create a dictionary with uppercase keys and values greater than 0.

Python

result = {{ [1] }}: [2] for [3], v in data.items() if v > 0}

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

Ak.upper()

Bv

Ck

Ditem

Attempts:

3 left

💡 Hint

Common Mistakes

Using wrong variable names like item.

Not converting keys to uppercase.

Keys are converted to uppercase with k.upper(), values are v, and k is the key variable.