A student executes the following program segment and the answer displayed is the wrong output. Name the error. How can the program be modified to get the correct answer?

x = 8, y = 2
    if (x == y)
        print("both are unequal")
    else:
        print("both are equal")

How many times will the following loop execute? What will be the output?

count = 0
while count < 3:
    print("Hello")
    count += 1

Write the output of the following code:

nums = [1, 2, 3]
print(nums)
print(type(nums))

Draw the block diagram showing four degrees of freedom in a robot.