Pop quiz on lambda functions

In this exercise, you will practice writing a simple lambda function and calling this function. Recall what you know about lambda functions and answer the following questions:

How would you write a lambda function add_bangs that adds three exclamation points '!!!' to the end of a string a?
How would you call add_bangs with the argument 'hello'?

You may use the IPython shell to test your code.

Possible Answers

The lambda function definition is: add_bangs = (a + '!!!'), and the function call is: add_bangs('hello').
1
The lambda function definition is: add_bangs = (lambda a: a + '!!!'), and the function call is: add_bangs('hello').
2
The lambda function definition is: (lambda a: a + '!!!') = add_bangs, and the function call is: add_bangs('hello').
3

Take Hint (-15xp)