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Lambda Functions

Lambda functions are anonymous functions, meaning they don't have a name. They are created using the lambda keyword and are often used to define short functions where you can specify a function on the spot.

The basic syntax of a lambda function is as follows:

python

lambda: the keyword indicating the start of a lambda function definition;
arguments: the list of arguments the function takes;
expression: the expression executed when the function is called. The result of the expression is returned as the function's value.

The key feature of lambda functions is their concise syntax. They are convenient when you need to define a simple function without writing a lot of code.


              123
            
square = lambda x: x**2
result = square(5)
print(result)

Taak

Swipe to start coding

There is a list of prices (prices), and a lambda expression needs to be implemented that takes a price as a parameter and deducts 13% tax from it.

Define a lambda expression using the lambda keyword.
The lambda expression should take one parameter (price).
If the price is negative, consider it invalid and return 0 using the max() function directly within the lambda expression.
The lambda should first check the price and then deduct 13% from the valid amount.
Use a list comprehension to apply apply_tax to each element in prices.

Oplossing

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Sectie 5. Hoofdstuk 3

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Lambda Functions

The basic syntax of a lambda function is as follows:

python

lambda: the keyword indicating the start of a lambda function definition;
arguments: the list of arguments the function takes;
expression: the expression executed when the function is called. The result of the expression is returned as the function's value.

The key feature of lambda functions is their concise syntax. They are convenient when you need to define a simple function without writing a lot of code.


              123
            
square = lambda x: x**2
result = square(5)
print(result)

Taak

Swipe to start coding

There is a list of prices (prices), and a lambda expression needs to be implemented that takes a price as a parameter and deducts 13% tax from it.

Define a lambda expression using the lambda keyword.
The lambda expression should take one parameter (price).
If the price is negative, consider it invalid and return 0 using the max() function directly within the lambda expression.
The lambda should first check the price and then deduct 13% from the valid amount.
Use a list comprehension to apply apply_tax to each element in prices.

Oplossing

Schakel over naar desktop voor praktijkervaringGa verder vanaf waar je bent met een van de onderstaande opties

Was alles duidelijk?

Bedankt voor je feedback!

Sectie 5. Hoofdstuk 3

Schakel over naar desktop voor praktijkervaringGa verder vanaf waar je bent met een van de onderstaande opties