add updating label example

Author: FoamyGuy

CircuitPython_Display_Text/updating_text_example/code.py

@@ -0,0 +1,40 @@
+# SPDX-FileCopyrightText: 2021 Tim C, written for Adafruit Industries
+#
+# SPDX-License-Identifier: MIT
+"""
+This examples shows how to update your label with new text.
+"""
+import time
+import board
+import displayio
+import terminalio
+from adafruit_display_text import label
+
+# built-in display
+display = board.DISPLAY
+
+# Make the display context
+main_group = displayio.Group()
+display.show(main_group)
+
+# create the label
+updating_label = label.Label(
+    font=terminalio.FONT,
+    text="Time Is:\n{}".format(time.monotonic()),
+    scale=2
+)
+
+# set label position on the display
+updating_label.anchor_point = (0, 0)
+updating_label.anchored_position = (20, 20)
+
+# add label to group that is showing on display
+main_group.append(updating_label)
+
+# Main loop
+while True:
+
+    # update text property to change the text showing on the display
+    updating_label.text = "Time Is:\n{}".format(time.monotonic())
+
+    time.sleep(1)