Value-Returning Function V2 - Python Programming Exercise

In this exercise, you will develop a Python program where the main function should look like this: def main(): print("\"Hello, how are you\" contains {0} spaces".format(count_spaces("Hello, how are you"))). You must define the function count_spaces, and it will be called from within the main function. As shown in the example, it must accept a string as a parameter and return an integer (the number of spaces in that string). This exercise is perfect for practicing function definition and calling in Python. By implementing this function and calling it from the main function, you will gain hands-on experience in handling function definitions and calls in Python. This exercise not only reinforces your understanding of functions but also helps you develop efficient coding practices for managing user interactions.

 Category

Mastering Functions

 Exercise

Value-Returning Function V2

 Objective

Develop a Python program where the main function should look like this:

def main():
print("\"Hello, how are you\" contains {0} spaces".format(count_spaces("Hello, how are you")))

You must define the function `count_spaces`, and it will be called from within the main function.

As shown in the example, it must accept a string as a parameter and return an integer (the number of spaces in that string).

 Example Python Exercise

 Copy Python Code 
# Define the count_spaces function that accepts a string as a parameter
def count_spaces(input_string):
    # Count the number of spaces in the input string using the count method
    return input_string.count(' ')  # This will return the count of spaces in the string

# Main function to execute the program
def main():
    # Print the result using the format method, calling count_spaces with a string as argument
    print("\"Hello, how are you\" contains {0} spaces".format(count_spaces("Hello, how are you")))  # It will print the number of spaces in the string

# Call the main function to run the program
main()  # This triggers the execution of the count_spaces function and prints the result

 Output

"Hello, how are you" contains 4 spaces

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