Write a Python program that will prompt the user for an input number between 11 and 100 inclusive. Continually subtract 1 from this input number until the number reaches matching digits.

C++ for Engineers and Scientists
4th Edition
ISBN:9781133187844
Author:Bronson, Gary J.
Publisher:Bronson, Gary J.
Chapter5: Repetition Statements
Section5.5: A Closer Look: Loop Programming Techniques
Problem 14E
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Write a Python program that will prompt the user for an input number between 11 and 100 inclusive. Continually subtract 1 from this input number until the number reaches matching digits.

  • The program should not move forward until the user enters a positive integer value. 
  • Be sure to add a beginning and ending statement to let the user know the program is starting and ending.
  • Use loops to validate the user input and to countdown until matching digits are found.
  • Add comments throughout the code.

An Example:

Sum of Values

Enter a positive integer value between 11 and 100:  59

Output:

59 58 57 56 55

End of results.

 

Another Example:

Sum of Values

Enter a positive integer value between 11 and 100:  -44

Error:  Please enter a positive integer value (11 - 100):  0

Error:  Please enter a positive integer value (11 - 100):  101

Error:  Please enter a positive integer value (11 - 100):  8

Error:  Please enter a positive integer value (11 - 100):  11

Output:

11

End of results.

 

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