Dictionary keys, values, and items in Python - Interactive Code Practice

Practice - 5 Tasks

1fill in blank

easy

Complete the code to get all keys from the dictionary.

Python

my_dict = {'a': 1, 'b': 2, 'c': 3}
keys = my_dict.[1]()
print(keys)

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

Avalues

Bkeys

Citems

Dget

Attempts:

3 left

💡 Hint

Common Mistakes

Using values() instead of keys()

Using items() which returns key-value pairs

Trying to access keys as an attribute without parentheses

The keys() method returns all the keys in a dictionary.

2fill in blank

medium

Complete the code to get all values from the dictionary.

Python

my_dict = {'x': 10, 'y': 20, 'z': 30}
vals = my_dict.[1]()
print(vals)

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

Avalues

Bitems

Cpop

Dkeys

Attempts:

3 left

💡 Hint

Common Mistakes

Using keys() instead of values()

Using items() which returns key-value pairs

Trying to pop a value without a key

The values() method returns all the values in a dictionary.

3fill in blank

hard

Fix the error in the code to get all key-value pairs from the dictionary.

Python

data = {'name': 'Alice', 'age': 25}
pairs = data.[1]()
print(pairs)

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Akeys

Bvalues

Cget

Ditems

Attempts:

3 left

💡 Hint

Common Mistakes

Using keys() or values() which return only one part

Using get() which requires a key argument

The items() method returns all key-value pairs as tuples.

4fill in blank

hard

Fill both blanks to create a dictionary of word lengths for words longer than 3 letters.

Python

words = ['apple', 'bat', 'carrot', 'dog']
lengths = {word: [1](word) for word in words if len(word) [2] 3}
print(lengths)

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Alen

B>

C<

Dupper()

Attempts:

3 left

💡 Hint

Common Mistakes

Using word instead of len(word) for length

Using less than symbol instead of greater than

Use len(word) to get the length of each word and filter words with length greater than 3 using >.

5fill in blank

hard

Fill all three blanks to create a dictionary with uppercase keys and values greater than 10.

Python

data = {'a': 5, 'b': 15, 'c': 25}
filtered = [1]: [2] for [3], val in data.items() if val > 10}
print(filtered)

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Ak.upper()

Bval

Ck

Dv

Attempts:

3 left

💡 Hint

Common Mistakes

Using wrong variable names like v instead of val or k

Not converting keys to uppercase

Use k.upper() to make keys uppercase, val for values, and k as the key variable in the loop.