Question

Define a function named swap_values that takes four integers as parameters and swaps the first with the second, and the third with the fourth values. Then write a main program that reads four integers from input, calls function swap_values 0 to swap the values, and prints the swapped values on a single line separated with spaces

Answer 1

To swap values using a function and a main program, you can define a function named swap_values that takes four integers as parameters and swaps the first with the second, and the third with the fourth values. The main program would read four integers from input, call the swap_values function, and print the swapped values on a single line separated with spaces.

Step-by-step explanation:

To define the swap_values function, you can use the following code:

def swap_values(a, b, c, d):
temp1 = a
temp2 = c
a = b
c = d
b = temp1
d = temp2
return a, b, c, d

Then, in the main program, you can read four integers from input and call the swap_values function:

num1 = int(input())
num2 = int(input())
num3 = int(input())
num4 = int(input())

result = swap_values(num1, num2, num3, num4)
print(result[0], result[1], result[2], result[3])

This will swap the first two values with the last two values and print the swapped values on a single line separated by spaces.