Dog Age Calculator#90
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iamwatchdogs
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iamwatchdogs
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May 20, 2026
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Hi @AdyaTech, please make the following changes to proceed with your PR:
- Update the Python script with relevant changes.
- Rename your project directory based on the specified guidelines.
Please don't create a new commit to implement the requested changes. Instead, amend the existing commit and force push the changes to the PR branch.
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| # Request input from the user to provide a dog's age in human years and convert it to an integer | ||
| h_age = int(input("Input a dog's age in human years: ")) | ||
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| # Check if the entered age is less than zero; if true, display an error message and exit the program | ||
| if h_age < 0: | ||
| print("Age must be a positive number.") | ||
| exit() | ||
| # If the entered age is 2 years or less, calculate the dog's age in dog's years using the formula 10.5 times the human years | ||
| elif h_age <= 2: | ||
| d_age = h_age * 10.5 | ||
| # For ages greater than 2, calculate the dog's age in dog's years using the formula 21 plus 4 times the remaining human years after 2 | ||
| else: | ||
| d_age = 21 + (h_age - 2) * 4 | ||
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| # Display the calculated dog's age in dog's years | ||
| print("The dog's age in dog's years is", d_age) No newline at end of file |
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- Don't add too many comments; code should be self-documenting
- Check for valid input
- If the script fails due to unexpected behaviours, then it should exit with a non-zero code.
- The ternary operator is just a preference
Suggested change
| # Request input from the user to provide a dog's age in human years and convert it to an integer | |
| h_age = int(input("Input a dog's age in human years: ")) | |
| # Check if the entered age is less than zero; if true, display an error message and exit the program | |
| if h_age < 0: | |
| print("Age must be a positive number.") | |
| exit() | |
| # If the entered age is 2 years or less, calculate the dog's age in dog's years using the formula 10.5 times the human years | |
| elif h_age <= 2: | |
| d_age = h_age * 10.5 | |
| # For ages greater than 2, calculate the dog's age in dog's years using the formula 21 plus 4 times the remaining human years after 2 | |
| else: | |
| d_age = 21 + (h_age - 2) * 4 | |
| # Display the calculated dog's age in dog's years | |
| print("The dog's age in dog's years is", d_age) | |
| try: | |
| human_years = float(input("Input a dog's age in human years: ")) | |
| except ValueError: | |
| print("Please enter a valid number") | |
| exit(1) | |
| if human_years < 0: | |
| print("Age must be a positive number.") | |
| exit(1) | |
| dog_age = human_years * 10.5 if human_years <= 2 else 21 + (human_years - 2) * 4 | |
| print("The dog's age in dog's years is", dog_age) |
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🐶 Dog Age Calculator (Using Python)
📌 Introduction
The Dog Age Calculator is a simple Python program that converts a dog’s age from human years into dog years using a commonly used calculation method.
The program takes user input, validates the age, and applies different formulas depending on whether the dog is younger or older than two years.
🚀 Features
💻 Example