Added water level indicator code.

Practical/Water level code.py

@@ -0,0 +1,26 @@
+"""
+THIS CODE HAS BEEN TESTED ON RASPBERRY PI 3B, 4B AND IS FULLY OPERATIONAL.
+
+Problem Statement: Water level
+
+Code from InternetOfThingsAndEmbeddedSystems (SPPU - Third Year - Computer Engineering - Content) repository on KSKA Git: https://git.kska.io/sppu-te-comp-content/InternetOfThingsAndEmbeddedSystems
+"""
+
+# BEGINNING OF CODE
+import RPi.GPIO as GPIO         # Import library
+
+# Initalize GPIO
+GPIO.setmode(GPIO.BCM)
+GPIO.setwarnings(False)
+GPIO.cleanup()
+GPIO.setup(16, GPIO.IN)         # Set GPIO 16 as input for water level sensor signal
+GPIO.setup(6, GPIO.OUT)         # Set GPIO 6 as output for LED
+
+while True:
+    if (GPIO.input(16))
+        GPIO.output(6, True)    # Turn ON LED if water detected
+    else
+        GPIO.output(6, False)   # Keep LED OFF if no water detected
+
+GPIO.cleanup()
+# END OF CODE