Added Countdown Timer Script

Countdown Timer/README.md

@@ -0,0 +1,17 @@
+# Countdown Timer
+
+This program takes in the number of seconds to countdown and displays a message when the time elapses.
+
+# Prerequisites
+
+It requires no prerequisites, you only need to run the script. If you don't have Python installed, you can visit [here](https://www.python.org/downloads/) to download Python.
+
+# How to run the script
+
+Running the script is pretty easy, open a terminal in the folder where your script is located and run the following command :
+
+`python timer.py`
+
+# Author's name
+
+[KOTHA V V S AAKASH](https://github.com/AakashKotha)

Countdown Timer/timer.py

@@ -0,0 +1,48 @@
+import time
+
+def countdownTimer():
+	# get the number of seconds 
+	no_of_secs = int(input('How many seconds?: '))
+	while no_of_secs:
+		if no_of_secs < 60:
+			# calculate the number of hours, minutes and seconds
+			hrs = no_of_secs // 3600
+			mins = no_of_secs // 60
+			secs = no_of_secs % 60
+			# format the hours, minutes
+			# and seconds to be displayed
+			timer = '%02d:%02d:%02d' %(hrs, mins, secs)
+			print(timer, end='\r')
+			# delay execution of code by one second
+			time.sleep(1)
+			# countdown the number of seconds
+			no_of_secs -= 1
+		elif 60 <= no_of_secs < 3600:
+			# calculate the number of hours, minutes and seconds
+			hrs = no_of_secs // 3600
+			mins = no_of_secs // 60
+			secs = no_of_secs % 60
+			# format the hours, minutes
+			# and seconds to be displayed
+			timer = '%02d:%02d:%02d' %(hrs, mins, secs)
+			print(timer, end='\r')
+			# delay execution of code by one second
+			time.sleep(1)
+			# countdown the number of seconds
+			no_of_secs -= 1
+		elif 3600 <= no_of_secs <= 86400:
+			# calculate the number of hours, minutes and seconds
+			hrs = no_of_secs // 3600
+			mins = (no_of_secs % 3600) // 60
+			secs = (no_of_secs % 3600) % 60
+			# format the hours, minutes
+			# and seconds to be displayed
+			timer = '%02d:%02d:%02d' %(hrs, mins, secs)
+			print(timer, end='\r')
+			# delay execution of code by one second
+			time.sleep(1)
+			# countdown the number of seconds
+			no_of_secs -= 1
+	print('Time Up!')
+
+countdownTimer()

README.md

@@ -68,9 +68,9 @@ Incase there is something that needs to be followed while executing the python s
 | Wikipedia Data Extractor                   | [Wikipedia Data Extractor](https://github.com/DhanushNehru/Python-Scripts/tree/master/Wikipedia%20Data%20Extractor)                                         | Simple Wikipedia data extractor script to get output in your IDE                 |
 | Youtube Downloader                   | [Youtube Downloader](https://github.com/DhanushNehru/Python-Scripts/tree/master/Youtube%20Downloader)                                         | Download any video from [YouTube](https://youtube.com) in video or audio format!                                    |
 | Weight Coverter                   | [Weight Converter](https://github.com/WatashiwaSid/Python-Scripts/tree/master/Weight%20Converter)                                         | Simple GUI script to convert weight in different measurement units                                    |
-
+| Countdown Timer                  | [Countdown Timer](https://github.com/DhanushNehru/Python-Scripts/tree/master/Countdown%20Timer)                                         | Displays a message when the Input time elapses                                    |
 
 ### Project Contributors
 <a href="https://github.com/DhanushNehru/Python-Scripts/graphs/contributors">
 <img src="https://contrib.rocks/image?repo=DhanushNehru/Python-Scripts" />
-</a>
+</a>