Update docstrings.

Author: kattni

examples/circuitplayground_acceleration.py

@@ -1,3 +1,5 @@
+"""This example uses the accelerometer on the Circuit Playground. It prints the values. Try moving
+the board to see the values change."""
 import time
 from adafruit_circuitplayground import cp
 

examples/circuitplayground_pixels_simpletest.py

@@ -1,11 +1,7 @@
-# CircuitPython demo - NeoPixel
-
+"""This example lights up the NeoPixels with a rainbow swirl."""
 import time
 from adafruit_circuitplayground import cp
 
-# The number of pixels in the strip
-numpix = 10
-
 
 def wheel(pos):
     # Input a value 0 to 255 to get a color value.

examples/circuitplayground_shake.py

@@ -1,3 +1,4 @@
+"""This example prints to the serial console when the Circuit Playground is shaken."""
 from adafruit_circuitplayground import cp
 
 while True:

examples/circuitplayground_tapdetect.py

@@ -1,3 +1,4 @@
+"""This example prints to the serial console when the board is tapped."""
 from adafruit_circuitplayground import cp
 
 cp.detect_taps = 1

examples/circuitplayground_tapdetect_single_double.py

@@ -1,3 +1,5 @@
+"""This example shows how you can use single-tap and double-tap together with a delay between.
+Single-tap the board twice and then double-tap the board twice to complete the program."""
 from adafruit_circuitplayground import cp
 
 # Set to check for single-taps.

examples/circuitplayground_temperature_plotter.py

@@ -2,10 +2,10 @@
 "Plotter" to open it, and place your finger over the sensor to see the numbers change. The
 sensor is located next to the picture of the thermometer on the CPX."""
 import time
-from adafruit_circuitplayground.express import cpx
+from adafruit_circuitplayground import cp
 
 while True:
-    print("Temperature C:", cpx.temperature)
-    print("Temperature F:", cpx.temperature * 1.8 + 32)
-    print((cpx.temperature, cpx.temperature * 1.8 + 32))
+    print("Temperature C:", cp.temperature)
+    print("Temperature F:", cp.temperature * 1.8 + 32)
+    print((cp.temperature, cp.temperature * 1.8 + 32))
     time.sleep(0.1)

examples/circuitplayground_tone.py

@@ -1,3 +1,4 @@
+"""This example plays a different tone for each button, while the button is pressed."""
 from adafruit_circuitplayground import cp
 
 while True:

examples/circuitplayground_touched.py

@@ -1,3 +1,4 @@
+"""This example prints to the serial console when you touch the capacitive touch pads."""
 from adafruit_circuitplayground import cp
 
 while True: