# Task 1
countries = ["UK", "USA", "Chad", "Australia", "Thailand"]

# Add comments to the code to explain what the following lines do.

countries[3] = "Mexico"

countries[0] = "Iceland"

countries[1] = countries[4]

# Add comments to predict what the list looks like now.

# Add a line of code to print the whole list and check your prediction


# Task 2

squareNumbers = [1,4,9,16,25,36]

# Add comments to explain what the following lines of code do. 

squareNumbers[5] = 49

squareNumbers[0] +=1

total = squareNumbers[3] - squareNumbers[1] 

# Add comments to predict what the list looks like now.

# Add a line of code to print the whole list and check your prediction