Can someone please explain to me ASAP??!!!! Your classmate wrote a simple function with two optional arguments: X which defaults to the string "a" andY, which defaults to the empty list. It concatenates its first argument to itself and then appends that to the endof its second argument. Finally, it prints both arguments.12def foo(X = "a", Y = []):X = X + XY.append(X)print X, Y4When she called foo() with no arguments repeatedly, she was surprised and puzzled by the results:>>> for i in range (4): foo()aa ['aa']aa ['aa', 'aa']aa ['aa', 'aa', 'aa']aa ['aa', 'aa', 'aa', 'aa']Explain to your classmate what is going on in this Python example and if the results are expected.

Given a function named " foo " with two optional parameters X and Y. The function concatenates the…

Your classmate wrote a simple function with two optional arguments: X which defaults to the string “a” and Y, which defaults to the empty list. It concatenates its first argument to itself and then appends that to the end of its second argument. Finally, it prints both arguments. 1 def foo(X = "a", Y = []): X = X + X Y.append(X) print X, Y When she called foo() with no arguments repeatedly, she was surprised and puzzled by the results: 2 به بیا . 3 4 >>> for i in range (4): foo() aa ['aa'] aa ['aa', 'aa'] aa ['aa', 'aa', 'aa'] aa ['aa', 'aa', 'aa', 'aa'] Explain to your classmate what is going on in this Python example and if the results are expected.

Your classmate wrote a simple function with two optional arguments: X which defaults to the string “a” and Y, which defaults to the empty list. It concatenates its first argument to itself and then appends that to the end of its second argument. Finally, it prints both arguments. 1 def foo(X = "a", Y = []): X = X + X Y.append(X) print X, Y When she called foo() with no arguments repeatedly, she was surprised and puzzled by the results: 2 به بیا . 3 4 >>> for i in range (4): foo() aa ['aa'] aa ['aa', 'aa'] aa ['aa', 'aa', 'aa'] aa ['aa', 'aa', 'aa', 'aa'] Explain to your classmate what is going on in this Python example and if the results are expected.

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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