Currying is the technique of transforming a function that takes multiple arguments so that it can be called as a chain of functions each with a single argument. Write a Python function curry2 that takes as its argument a function of two arguments, and returns it in its curried form, i.e. a function of one argument that when called with X returns a function that when called with Y, returns the original function applied to the two arguments, X and Y. See the sample session in the box below. Hint: You'll use lambda expressions, of course. >>> def add(X,Y): return X+Y >>> add (100, 200) 300 >>> f = curry2 (add) >>> f(100) (200) 300
Currying is the technique of transforming a function that takes multiple arguments so that it can be called as a chain of functions each with a single argument. Write a Python function curry2 that takes as its argument a function of two arguments, and returns it in its curried form, i.e. a function of one argument that when called with X returns a function that when called with Y, returns the original function applied to the two arguments, X and Y. See the sample session in the box below. Hint: You'll use lambda expressions, of course. >>> def add(X,Y): return X+Y >>> add (100, 200) 300 >>> f = curry2 (add) >>> f(100) (200) 300
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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Transcribed Image Text:Currying is the technique of transforming a function that takes multiple arguments so that it can be called as
a chain of functions each with a single argument. Write a Python function curry2 that takes as its argument a
function of two arguments, and returns it in its curried form, i.e. a function of one argument that when called
with X returns a function that when called with Y, returns the original function applied to the two arguments,
X and Y. See the sample session in the box below. Hint: You'll use lambda expressions, of course.
>>> def add(X,Y):
return X+Y
>>> add (100,200)
300
>>> f curry2 (add)
>>> f(100) (200)
300
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