Python Programming: An Introduction to Computer Science, 3rd Ed.
3rd Edition
ISBN: 9781590282755
Author: John Zelle
Publisher: Franklin, Beedle & Associates
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Chapter 7, Problem 1MC
Program Description Answer
An execution of other statements can be controlled by a decision statement called control structure.
Hence, correct answer is option “C”.
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Method/Function/Procedure/Sub/Routine . Please use only C# programming.
Method – this is the fourth control structure we have worked with in this course. Each control structure brings some advantage to the programmer.
Sequence sets the framework to ensure that all the statements are processes exactly once and in order. i.e. no skips or repeats
Branching allows the program to perform more than one task
Repetition provides a structure to process a block of code possible multiple times
Method allows the programmer to assign a name to a block or code
The coder has the luxury to reuse blocks of code, hence the job can be done with less code. In addition, it facilitates the decomposition of a complex problem into simpler sub-tasks that can be implemented and tested separately. This is possible by attaching a name to a block of code statements and then invoking the code when required.
Template of a Method
[modifier] [static] «return_type»…
A group of
statements
that is
executed
when it is
called a
# Python 3
def printFunction(num1, num2): num3 = num1 + num2 return num3print(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.
Chapter 7 Solutions
Python Programming: An Introduction to Computer Science, 3rd Ed.
Ch. 7 - Prob. 1TFCh. 7 - Prob. 2TFCh. 7 - Prob. 3TFCh. 7 - Prob. 4TFCh. 7 - Prob. 5TFCh. 7 - Prob. 6TFCh. 7 - Prob. 7TFCh. 7 - Prob. 8TFCh. 7 - Prob. 9TFCh. 7 - Prob. 10TF
Ch. 7 - Prob. 1MCCh. 7 - Prob. 2MCCh. 7 - Prob. 3MCCh. 7 - Prob. 4MCCh. 7 - Prob. 5MCCh. 7 - Prob. 6MCCh. 7 - Prob. 7MCCh. 7 - Prob. 8MCCh. 7 - Prob. 9MCCh. 7 - Prob. 10MCCh. 7 - Prob. 1DCh. 7 - Prob. 2DCh. 7 - Prob. 3DCh. 7 - Prob. 1PECh. 7 - Prob. 2PECh. 7 - Prob. 3PECh. 7 - Prob. 4PECh. 7 - Prob. 5PECh. 7 - Prob. 6PECh. 7 - Prob. 7PECh. 7 - Prob. 8PECh. 7 - Prob. 9PECh. 7 - Prob. 10PECh. 7 - Prob. 11PECh. 7 - Prob. 12PECh. 7 - Prob. 13PECh. 7 - Prob. 14PECh. 7 - Prob. 15PECh. 7 - Prob. 16PECh. 7 - Prob. 17PECh. 7 - Prob. 18PE
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