Construct a function that takes an argument. Give the function parameter a unique name. Show what happens when you try to use that parameter name outside the function. Explain the results. Show what happens when a variable defined outside a function has the same name as a local variable inside a function. Explain what happens to the value of each variable as the program runs.

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
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# Python 3

def printFunction(num1, num2):
    num3 = num1 + num2
    return num3

print(num3)

Explanation: Here, num3 is the local variable that is defined in the scope of the function and when it is used outside the function, an error occurs. Print(num3) is the statement which is outside the scope of the function. So, when this statement is executed, there is no variable named num3 to be printed, so it gives an error.

The error that occurs is : NameError: name 'num3' is not defined

Construct a function that takes an argument. Give the function parameter a unique name. Show what happens when you try to use that parameter name outside the function. Explain the results.

Show what happens when a variable defined outside a function has the same name as a local variable inside a function. Explain what happens to the value of each variable as the program runs.

Expert Solution
Step 1

Python:

Python is a general purpose, high level programming language.

It uses indentation instead of curly braces.

It has simple syntax and dynamic semantics.

It supports both procedural and object oriented programming approaches.

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