At the end of this lesson, you will be able to:
# Create a list.elements = []# Append empty lists in first two indexes.elements.append([])elements.append([])# Add elements to empty lists.elements[0].append(1)elements[0].append(2)elements[1].append(3)elements[1].append(4)# Display top-left element.print(elements[0][0])# Display entire list.print(elements)# Loop over rows.for row in elements: # Loop over columns. for column in row: print(column, end="") print(end="\n")