Difference and symmetric difference in Python - Interactive Code Practice

Practice - 5 Tasks

1fill in blank

easy

Complete the code to find the difference between set_a and set_b.

Python

set_a = {1, 2, 3, 4}
set_b = {3, 4, 5, 6}
difference = set_a.[1](set_b)
print(difference)

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

Aunion

Bsymmetric_difference

Cintersection

Ddifference

Attempts:

3 left

💡 Hint

Common Mistakes

Using 'union' instead of 'difference' returns all elements from both sets.

Using 'intersection' returns only common elements.

The difference method returns elements in set_a that are not in set_b.

2fill in blank

medium

Complete the code to find the symmetric difference between set_x and set_y.

Python

set_x = {10, 20, 30}
set_y = {20, 40, 50}
sym_diff = set_x.[1](set_y)
print(sym_diff)

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

Adifference

Bsymmetric_difference

Cintersection

Dunion

Attempts:

3 left

💡 Hint

Common Mistakes

Using 'difference' returns elements only from the first set.

Using 'union' returns all elements from both sets.

The symmetric_difference method returns elements in either set but not in both.

3fill in blank

hard

Fix the error in the code to correctly find the difference of set_m and set_n.

Python

set_m = {7, 8, 9}
set_n = {8, 10}
diff = set_m.[1](set_n)
print(diff)

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

Adiffrence

Bsymmetric_difference

Cdifference

Dintersect

Attempts:

3 left

💡 Hint

Common Mistakes

Misspelling 'difference' causes AttributeError.

Using 'intersect' instead of 'intersection' causes error.

The correct method name is difference. Misspelled names cause errors.

4fill in blank

hard

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

Python

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

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Alen(word)

B<=

C>

Dword

Attempts:

3 left

💡 Hint

Common Mistakes

Using '<=' includes shorter words.

Using 'word' as value stores the word, not its length.

Use len(word) to get length and > to filter words longer than 3 letters.

5fill in blank

hard

Fill all three blanks to create a dictionary with uppercase words as keys and their lengths as values, only for words with length greater than 4.

Python

words = ['tree', 'house', 'car', 'elephant']
result = { [1]: [2] for word in words if len(word) [3] 4 }
print(result)

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Aword.upper()

Blen(word)

C>

Dword

Attempts:

3 left

💡 Hint

Common Mistakes

Using 'word' as key keeps original case.

Using '<' or '<=' includes shorter words.

Keys are uppercase words (word.upper()), values are lengths (len(word)), filtered by length > 4.