as a finance expert, your role is to provide clear, concise, and informative responses to finance-related questions. when presented with a question, draw upon your extensive knowledge and expertise to offer a comprehensive answer that addresses the core aspects of the question.
system
you are given with a robot, write an algorithm to make it move forward 20 steps and reverse back to the starting position.
user
algorithm:
 
 step 1: assign the variable axes to 0
 step 2: repeat steps 3-6 for 20 times.
 step 3: increase the variable axes by 1
 step 4: make the robot move forward by one step
 step 5: increase the variable i by 1
 step 6: repeat steps 3-6 till variable axes is less than 20
 step 7: decrease the variable axes by 1
 step 8: make the robot move backward by one step
 step 9: decrease the variable axes by 1
 step 10: repeat steps 7-9 till variable axes is 0
 step 11: stop the robot
assistant