Answered: Algorithms Flowcharts Pseudocode Hierarchy charts

Database System Concepts

7th Edition

ISBN: 9780078022159

Author: Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher: McGraw-Hill Education

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Adding two numbers in programming is essentially the same as adding two numbers in general arithmetic. A significant difference is that in programming, you need to pay attention to the data type of the variable that will hold the sum of two numbers.

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I uploaded my question and i have the code for it too. I just want you to explain the code using the following:

Use the following programming design tools to show the design of your work. Programming Design Tools

Algorithms
Flowcharts
Pseudocode
Hierarchy charts

Use the following program planning to show your work. Program Planning:

1. Analyze: Define the problem.
2. Design: Plan the solution to the problem.
3. Code: Translate the algorithm into a programming language.
4. Test and correct: Locate and remove any errors in the program.
5. Complete the documentation: Organize all the material that describes the program.

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Transcribed Image Text:The image contains a Python script focused on validating a 16-digit ID card number. Here’s a detailed transcription and explanation of the code: ### Code Explanation #### Class and Methods 1. **Class `id`:** - Contains methods `validate_id` and `user_input`. 2. **Method `validate_id(self, a, b):** - **Parameters:** Accepts two lists `a` and `b`. - **Logic:** - Calculates `sum_1` by iterating over list `a`, adding digits with conditional logic (`i+i-9` if `i+i > 9`, else `i+i`). - Calculates `sum_2` simply by summing list `b`. - **Returns:** A tuple of the two summed values, `sum_1` and `sum_2`. 3. **Method `user_input(self):** - Asks for user input with `input("Enter your ID card number :")`. - Checks if the input is a 16-digit numerical string. - Separates the digits into two lists: - **`list1` for even-placed digits (0, 2, 4, ...)** - **`list2` for odd-placed digits (1, 3, 5, ...)** - Calls `validate_id` with these lists to check validity. - **Returns:** A message indicating whether the number is valid or not based on divisibility by 10. #### Main Script - **Creates an instance (`b`) of the `id` class.** - **Calls `user_input` method on this instance and stores the result (`out`).** - **Prints the result (`out`).** ### Key Components - **`sum_1` and `sum_2`:** Used for digit manipulation and summing. - **Conditionals:** Validate the input format and final results based on specified logical conditions. - **Modulus Operation:** Ensures the total sum is evenly divisible by 10 for validity. #### Usage This script is structured to validate a specific format of numerical IDs, checking both length and a custom checksum condition. The functionality could be extended for different kinds of numerical validations with similar logic.

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Transcribed Image Text:# Validating a 16-Digit ID Number ## Introduction A web application follows a specific set of rules to validate a 16-digit ID number. The validation process includes arithmetic operations and checks to ensure the integrity of the ID. ## Validation Rules 1. **Doubling Every Other Digit:** - Start with the leftmost digit, double it, and then double every other digit after it. - If the doubled digit is a two-digit number, subtract 9 from it. - Sum these resulting digits. For example, consider the ID card number `5866793610024475`: - The digits considered for doubling are: 5, 6, 7, 3, 1, 0, 4, 7. - After doubling and adjusting any two-digit results, the digits become: 1, 3, 6, 2, 0, 8, 7, 5. - The sum of these replacements is 30. | Original Digit | 5 | 8 | 6 | 6 | 7 | 9 | 3 | 6 | 1 | 0 | 0 | 2 | 4 | 4 | 7 | 5 | |----------------|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---| | Double+Adjust | 5 | 6 | 6 | 7 | 9 | 3 | 6 | 1 | 0 | 0 | 2 | 4 | 4 | 7 | 5 | | Result | 1 | | 3 | | 6 | | 2 | | 0 | | 8 | | 7 | | 5 | 2. **Summing Remaining Digits:** - Sum the digits in the odd-numbered positions. - For the number `5866793610024475`, the resulting sum is 40 (digits 8, 6, 9, 6, 0, 2, 4 plus 7). 3. **Final Validation:** - Add the two sums (30 and 40). - If the result is a multiple of 10, the ID is considered valid. Otherwise, it

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