Python: Postal Code Programming Exercise (Ep. 1)
⭕ Overview
In this video, I'll guide you through writing a simple Python program to print the barcode of a five-digit ZIP code to the console. We'll start by understanding the structure of a typical barcode used in the US mailing system, breaking down how each digit of the ZIP code translates into the barcode format.
I'll walk you through the step-by-step process of converting a ZIP code into its corresponding barcode representation. This involves understanding the individual bars and their meanings and how to translate them into a format that can be printed on the console.
Write a program that asks the user for a zip code and prints the bar code. Use : for half bars, | for full bars. For example, the encoding scheme for a five-digit zip code 95014 becomes:
||:|:::|:|:||::::::||:|::|:::|||
Provide and implement these functions:
def main() # Main entry to start the program
def getDigit() # Reads and return the 5-digit zip code
def printDigit(d) # Prints the bar code for a digit
def printBarCode(zipCode) # Prints the encoded bar code
By the end of this tutorial, you'll have a functional Python program that can generate barcodes from ZIP codes, enhancing your skills in data representation and Python programming.
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⭕ Chapters
0:00 - Introduction
4:48 - Coding
6:30 - The main() function
7:45 - The getDigit() function
8:32 - The printBarCode() function
11:22 - The printDigit() function
16:00 - The getCodeDigits() function
18:45 - The calculateCheckDigit() function
23:41 - Final code check
24:35 - Run program
⭕ About me
I am a Web instructor and author for Linkedin Learning (formerly Lynda.com), Packt, E-C Council, Udemy, and MC Press.
⭕ Visit my site: https://christianhur.com
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