Database System Concepts
Database System Concepts
7th Edition
ISBN: 9780078022159
Author: Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher: McGraw-Hill Education
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3. Debugging Lists

File: debugging.py

Similar to the previous practical's debugging exercises:

  • Copy the code from debugging.py
  • debugging.py - 

    """CP1401 - Practical 8 - Debugging."""

    # Debug program 1 - friends' names
    names = ["Abby", "Jerome", "Olivia", "Monique"]
    print("My friends' names: ")
    for i in range(1, len(names)):
        print(f"{i}. {names[i]}")
    last_number = len(names)
    print(f"The last name (number {last_number}) is {names[last_number]}")

    # Problem(s) for program 1:
    # ?

    # Fixed code for program 1:


    # Debug program 2 - title-casing country names
    countries = ("australia", "new zeaLAND", "India")
    for i in range(len(countries)):
        countries[i] = countries[i].title()
    print(countries)  # country names should be in title-case now

    # Problem(s) for program 2:
    # ?

    # Fixed code for program 2:

  • Run the code and see what problems you can find.
  • Complete the template in this file, adding comments to explain the problems (bugs) you find.
  • Remember: debugging is about finding bugs, not just generally improving code. We're not interested in formatting and style here, just functionality.
  • Then, comment-out the broken code and include fixed code in the provided section.

 

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