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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**Task: Write a Function to Count Even Numbers** Create a function named `count_evens()` that takes four integer parameters. This function should return the count of parameters that are even numbers (i.e., numbers that are evenly divisible by 2). **Example:** If the four parameters are: - 1 - 22 - 11 - 40 Then the function should return a count of: - 2 **Hint:** Use the modulo operator `%` to determine if each number is even or odd. **Function Definition:** ```python def count_evens(num1, num2, num3, num4): # Function logic goes here ``` The exercise involves implementing the logic to identify even numbers among the four provided parameters and count them using the modulo operation.
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Transcribed Image Text:**Task: Write a Function to Count Even Numbers** Create a function named `count_evens()` that takes four integer parameters. This function should return the count of parameters that are even numbers (i.e., numbers that are evenly divisible by 2). **Example:** If the four parameters are: - 1 - 22 - 11 - 40 Then the function should return a count of: - 2 **Hint:** Use the modulo operator `%` to determine if each number is even or odd. **Function Definition:** ```python def count_evens(num1, num2, num3, num4): # Function logic goes here ``` The exercise involves implementing the logic to identify even numbers among the four provided parameters and count them using the modulo operation.
```python # Define your function here if __name__ == '__main__': num1 = int(input()) num2 = int(input()) num3 = int(input()) num4 = int(input()) result = count_evens(num1, num2, num3, num4) print('Total evens:', result) ``` This snippet is a basic structure for a Python script that reads four integer inputs from the user and counts how many of them are even numbers using a function called `count_evens`. The script then prints out the total number of even numbers. Note that this code assumes the existence of a predefined `count_evens` function. There are no graphs or diagrams in the image.
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Transcribed Image Text:```python # Define your function here if __name__ == '__main__': num1 = int(input()) num2 = int(input()) num3 = int(input()) num4 = int(input()) result = count_evens(num1, num2, num3, num4) print('Total evens:', result) ``` This snippet is a basic structure for a Python script that reads four integer inputs from the user and counts how many of them are even numbers using a function called `count_evens`. The script then prints out the total number of even numbers. Note that this code assumes the existence of a predefined `count_evens` function. There are no graphs or diagrams in the image.
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