# Part $1$: Initialization and Helper Functions

# Function to move Karel forward n steps

def move$\_$n$\_$steps$($n$)$:

for $\_$ in range$($n$)$:

move$()$

# Function to turn Karel around

def turn$\_$around$()$:

turn$\_$left$()$

# Helper function to turn Karel right

def turn$\_$right$()$:

for $\_$ in range$(3)$:

turn$\_$left$()$

# Part $2$: Hourglass Creation Functions

# Function to create the upper half of the hourglass

def create$\_$upper$\_$half$($size$)$:

for i in range$(1,$ size $//2+1)$:

move$\_$n$\_$steps$($i$)$

put$\_$beeper$()$

turn$\_$around$()$

move$\_$n$\_$steps$($i$)$

put$\_$beeper$()$

turn$\_$around$()$

# Function to create the lower half of the hourglass

def create$\_$lower$\_$half$($size$)$:

for i in range$($size $//2,0,-1)$:

move$\_$n$\_$steps$($i$)$

put$\_$beeper$()$

turn$\_$around$()$

move$\_$n$\_$steps$($i$)$

put$\_$beeper$()$

turn$\_$around$()$

# Part $3$: Main Function and Execution

# Main function to create the hourglass

def create$\_$hourglass$()$:

# Determine the size of the world

world$\_$size $=$ get$\_$world$\_$size$()$

# Ensure the world size is greater than $1$

if world$\_$size $<=1$:

print$("$World size must be greater than $1.")$

return

# Move to the starting position

move$\_$n$\_$steps$($world$\_$size $//2)$

turn$\_$left$()$

# Create upper half

create$\_$upper$\_$half$($world$\_$size$)$

# Move to the starting position of the lower half

turn$\_$around$()$

move$\_$n$\_$steps$($world$\_$size $//2)$

turn$\_$right$()$

# Create lower half

create$\_$lower$\_$half$($world$\_$size$)$

# Call the create$\_$hourglass function to start the program

create$\_$hourglass$()$

question: get$\_$world$\_$size and world$\_$size are not defined.