Python Lambda Function Exercises - Practice Problems with Solutions

🧪 Coding Exercises

🟢 Beginner Exercises

1. ✅ Calculate Rectangle Area

Create a lambda function to calculate the area of a rectangle.

Requirements

No specific requirements for this exercise.

Input

4, 7

Expected Output

28

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2. ✅ Combine Strings

Create a lambda function to concatenate two strings with a space.

Requirements

No specific requirements for this exercise.

Input

"Hello", "World"

Expected Output

"Hello World"

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🟡 Intermediate Exercises

1. ✅ Reverse a String

Create a lambda function to reverse a string.

Requirements

No specific requirements for this exercise.

Input

"hello"

Expected Output

"olleh"

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2. ✅ Check Substring

Create a lambda function that returns `True` if a substring exists in a string.

Requirements

No specific requirements for this exercise.

Input

"world", "hello world"

Expected Output

True

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3. ✅ Maximum of Two Numbers

Create a lambda function to return the maximum of two numbers.

Requirements

No specific requirements for this exercise.

Input

8, 12

Expected Output

12

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4. ✅ Uppercase Conversion

Create a lambda function to convert a string to uppercase.

Requirements

No specific requirements for this exercise.

Input

"lambda"

Expected Output

"LAMBDA"

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5. ✅ Check Palindrome

Create a lambda function to check if a string is a palindrome.

Requirements

No specific requirements for this exercise.

Input

"madam"

Expected Output

True

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🔴 Advanced Exercises

1. ✅ Square List Elements (with `map`)

Use a lambda with `map` to square each element in a list.

Requirements

No specific requirements for this exercise.

Input

[1, 2, 3, 4]

Expected Output

[1, 4, 9, 16]

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2. ✅ Filter Even Numbers (with `filter`)

Use a lambda with `filter` to extract even numbers from a list.

Requirements

No specific requirements for this exercise.

Input

[1, 2, 3, 4, 5, 6]

Expected Output

[2, 4, 6]

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