Merge pull request #187 from realpython/notexactlyawe/embedded-python

Complete code for embedded Python article

Author: jaschmitt

embedded-python/README.md

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+# Embedded Python Sample Code
+
+This folder contains the complete program built in the Real Python tutorial on embedded Python.
+
+You can run this code either on a BBC micro:bit or by pasting it into the [online simulator](https://www.cameronmacleod.com/createwithcode/).

embedded-python/simon_says.py

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+from microbit import display, Image, accelerometer, sleep
+from random import randrange
+
+# Define left, stay still and right
+directions = ["L", "O", "R"]
+points = 0
+
+# While the micro:bit is on
+while True:
+    # Pick a random direction
+    direction = directions[randrange(3)]
+    display.show(direction)
+    # Sleep for a second (1000ms)
+    sleep(1000)
+
+    # Get the X-axis (left-right) tilt
+    acc_x = accelerometer.get_x()
+    # Determine direction
+    if acc_x < -200:
+        player_in = "L"
+    elif abs(acc_x) < 200:
+        player_in = "O"
+    elif acc_x > 200:
+        player_in = "R"
+
+    # Check win condition
+    if player_in == direction:
+        # Player's input is correct
+        points += 1
+    else:
+        display.scroll(points)
+        display.show(Image.SAD)
+        points = 0
+        sleep(1000)