Write a python program that implements at least 3 functions and does the following: Create a global variable and use the same variable name inside each of your functions. In one function, update the contents of the global variable: Do this once specifically referencing the global variable - test the assignments using mutable objects Do this once specifically not referencing the global keyword In one function, update the contents of a mutable object (the calling variables contents should be different after the function is executed) In one function, set the variable to an immutable object In one function, set the variable to a new mutable object, change the value of the object and show that it's different inside the function and the original object is unchanged after the function call For each variable show it's value: before the function call; before it's changed within the function; after it's changed within the function; and after the function call. Provide an explanation for any behavior. Call one function from within another function: explain what variables are affected in this context. Demonstrate a scenario where a function called from within a function changes the contents of a mutable object in the global scope WITHOUT using the global keyword or specifically referencing the global variable.

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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Write a python program that implements at least 3 functions and does the following:

Create a global variable and use the same variable name inside each of your functions.
In one function, update the contents of the global variable:
- Do this once specifically referencing the global variable
  - test the assignments using mutable objects
- Do this once specifically not referencing the global keyword
In one function, update the contents of a mutable object (the calling variables contents should be different after the function is executed)
In one function, set the variable to an immutable object
In one function, set the variable to a new mutable object, change the value of the object and show that it's different inside the function and the original object is unchanged after the function call
For each variable show it's value:
- before the function call;
- before it's changed within the function;
- after it's changed within the function;
- and after the function call.
Provide an explanation for any behavior.
Call one function from within another function:
- explain what variables are affected in this context.
- Demonstrate a scenario where a function called from within a function changes the contents of a mutable object in the global scope WITHOUT using the global keyword or specifically referencing the global variable.

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