Dictionary creation in Python - Interactive Code Practice

Practice - 5 Tasks

1fill in blank

easy

Complete the code to create an empty dictionary named my_dict.

Python

my_dict = [1]

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

A[]

B()

C{}

Dset()

Attempts:

3 left

💡 Hint

Common Mistakes

Using square brackets [] creates a list, not a dictionary.

Using parentheses () creates a tuple, not a dictionary.

Use curly braces {} to create an empty dictionary in Python.

2fill in blank

medium

Complete the code to create a dictionary person with keys 'name' and 'age'.

Python

person = [1]

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

A{'name': 'Alice', 'age': 30}

B"name=Alice, age=30"

C('name', 'Alice', 'age', 30)

D['name': 'Alice', 'age': 30]

Attempts:

3 left

💡 Hint

Common Mistakes

Using square brackets with colons is invalid syntax.

Using tuples or strings instead of dictionary syntax.

Dictionaries use curly braces with key-value pairs separated by colons.

3fill in blank

hard

Fix the error in the dictionary creation code.

Python

data = [1]

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

A{'x': 10, 'y': 20}

B{x: 10, y: 20}

C['x': 10, 'y': 20]

D{'x' = 10, 'y' = 20}

Attempts:

3 left

💡 Hint

Common Mistakes

Using equal signs instead of colons.

Using square brackets instead of curly braces.

Dictionary keys and values are separated by colons, not equal signs. Keys must be quoted strings or valid identifiers.

4fill in blank

hard

Fill both blanks to create a dictionary squares mapping numbers 1 to 3 to their squares.

Python

squares = { [1]: [2] for [1] in range(1, 4) }

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

Ax

Bx**2

Ci

Di*2

Attempts:

3 left

💡 Hint

Common Mistakes

Using different variable names for key and loop variable.

Using multiplication by 2 instead of square.

Use the same variable x for keys and values, with values as x**2 for squares.

5fill in blank

hard

Fill all three blanks to create a dictionary filtered with keys as uppercase words and values as their lengths, only for words longer than 3 letters.

Python

filtered = { [1]: [2] for word in words if len(word) [3] 3 }

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

Aword.upper()

Blen(word)

C>

D<

Attempts:

3 left

💡 Hint

Common Mistakes

Using lowercase words as keys.

Using < instead of > in the condition.

Keys are uppercase words, values are lengths, and filter keeps words longer than 3 letters.