Which of the Following Statements About Functional-Style Programming Is False

Which of the following statements about functional-style programming is false?

A) With xe "functional-style programming"functional-style programming capabilities you can write code that is more concise, clearer and easier to debug (find and correct errors) .
B) The min and max functions are examples of a functional-style programming concept called reduction. They reduce a collection of values to a single value.
C) Other reductions you'll see include the sum, average, variance and standard deviation of a collection of values.
D) All reductions are built into Python-you cannot define custom reductions.