The most common answer is:

penup()
backward(200)
left(90)
forward(200)
right(90)
forward(100)
pendown()
left(270)
forward(400)
penup()
right(270)
forward(100)
left(90)
pendown()
forward(400)
penup()
left(270)
forward(100)
right(90)
pendown()
forward(400)

The code snippet aims to draw 4 vertical columns using turtle graphics, but it seems overly complex for what needs to be achieved. It also appears to have some unnecessary turns and moves that could be simplified.

Here’s a more streamlined approach to drawing 4 vertical columns, assuming each column should be drawn apart from each other and you’re starting from a specific position on the canvas:

import turtle

turtle.speed(1)  # Set turtle drawing speed to slow for visualization

# Move turtle to starting position
turtle.penup()
turtle.goto(-150, -200)  # Adjust starting position as needed
turtle.pendown()

# Draw 4 columns
for _ in range(4):
    turtle.left(90)  # Point turtle upwards to draw the column
    turtle.forward(400)  # Height of the column
    turtle.right(90)  # Reorient turtle to move to the next starting position
    turtle.penup()
    turtle.forward(100)  # Space between columns
    turtle.right(90)  # Point turtle downwards to go back to the baseline
    turtle.forward(400)  # Move back to baseline
    turtle.left(90)  # Reorient turtle to start position for the next column
    turtle.pendown()

turtle.done()  # Keep the window open until manually closed

This code simplifies the drawing process by using a loop to draw each of the 4 columns. The turtle starts from a specified position, moves upwards to draw a vertical line (representing a column), moves to the right to position itself for the next column, and repeats this process 4 times. Adjust the goto(-150, -200) line to change the starting position of the first column, and modify the forward(400) and forward(100) values to change the height of the columns and the space between them, respectively.

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