Rename folders as per suggestion from Rajat

ch-05/2-forward-back/motors_backward.py

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+import time
+import robot
+
+robot.motor_A2.value = True
+robot.motor_B2.value = True
+time.sleep(0.3)
+robot.motor_A2.value = False
+robot.motor_B2.value = False

ch-05/2-forward-back/motors_forward.py

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+import time
+import robot
+
+robot.motor_A1.value = True
+robot.motor_B1.value = True
+time.sleep(0.3)
+robot.motor_A1.value = False
+robot.motor_B1.value = False

ch-05/2-forward-back/robot.py

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+# Write your code here :-)
+import board
+import digitalio
+
+motor_A1 = digitalio.DigitalInOut(board.GP17)
+motor_A2 = digitalio.DigitalInOut(board.GP16)
+motor_B1 = digitalio.DigitalInOut(board.GP18)
+motor_B2 = digitalio.DigitalInOut(board.GP19)
+
+motor_A1.direction = digitalio.Direction.OUTPUT
+motor_A2.direction = digitalio.Direction.OUTPUT
+motor_B1.direction = digitalio.Direction.OUTPUT
+motor_B2.direction = digitalio.Direction.OUTPUT
+
+
+def stop():
+    motor_A1.value = False
+    motor_A2.value = False
+    motor_B1.value = False
+    motor_B2.value = False