Coding⏱️ 2 min read📅 2026-05-31

How to Fix: Define a lambda expression that raises an Exception

Write a lambda expression equivalent to raising an exception in Python.

Quick Answer: Use the `raise` keyword within the lambda function, like this: `y = lambda: raise Exception()`

📋 Table of Contents

  1. ⚠️ Solution
  2. 🔧 Explanation
  3. 🎯 Conclusion

To define a lambda expression that raises an Exception, you can use the following syntax:

⚠️ Solution

  • python
y = lambda : Exception()  # Define a lambda expression that raises an exception

This will raise an exception with the default message.

🔧 Explanation

How it works

  1. Python's lambda expression syntax is used to define small, anonymous functions.

Customizing the exception

  1. By default, Python's Exception class is used. However, you can customize it by passing a custom exception class to the lambda function.

🎯 Conclusion

In this solution, we've demonstrated how to define a lambda expression that raises an exception. By using the Exception() function within our lambda, we can raise an exception with the default message.

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