Fix up structure and README

examples/12_flips.py

@@ -0,0 +1,59 @@
+from tello_sim.tello_sim_client import TelloSimClient
+
+
+import time
+
+ROTATION_DEGREES = 90
+HIGHT_CM = 100 
+
+# Create a Tello instance
+tello = TelloSimClient()
+
+# Connect to Tello
+tello.connect()
+
+print("Starting flying in ...")
+for i in range(3, 0, -1):
+    print(i)
+    time.sleep(1)
+
+
+def pause():
+    print("Hovering for...")
+    for i in range(3, 0, -1):
+        print(i)
+        time.sleep(1)
+
+
+def warn_of_flip(direction: str):
+    print("WARNING!")
+    print(f"Flipping {direction} in ...")
+    for i in range(3, 0, -1):
+        print(i)
+        time.sleep(1)
+    flip_func = getattr(tello, f"flip_{direction}")
+    flip_func()
+
+
+# Takeoff
+print("Take off")
+tello.takeoff()
+
+tello.move_up(HIGHT_CM)
+
+warn_of_flip("left")
+
+warn_of_flip("right")
+
+warn_of_flip("forward")
+
+warn_of_flip("back")
+
+pause()
+
+print("Landing")
+# Land
+tello.land()
+
+# End the connection
+tello.end()