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Showing posts with the label voice authorization

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15 Python Tips : How to Write Code Effectively

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 Here are some Python tips to keep in mind that will help you write clean, efficient, and bug-free code.     Python Tips for Effective Coding 1. Code Readability and PEP 8  Always aim for clean and readable code by following PEP 8 guidelines.  Use meaningful variable names, avoid excessively long lines (stick to 79 characters), and organize imports properly. 2. Use List Comprehensions List comprehensions are concise and often faster than regular for-loops. Example: squares = [x**2 for x in range(10)] instead of creating an empty list and appending each square value. 3. Take Advantage of Python’s Built-in Libraries  Libraries like itertools, collections, math, and datetime provide powerful functions and data structures that can simplify your code.   For example, collections.Counter can quickly count elements in a list, and itertools.chain can flatten nested lists. 4. Use enumerate Instead of Range     When you need both the index and the value in a loop, enumerate is a more Pyth

How does Marchant Initiate Voice Authentication When Card Not Present

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Voice transaction is a method to pay the bills for a merchant at POS. The scenario is when you visit a Retailer where you purchased for Rs1000. You forgot to carry a card (Card is not present) with you but you remember card details. Then you can ask the merchant to use Voice authentication for completing the payment. About Voice Authentication After you start the call, the first step is you need to enter the merchant id. Usually, your Call goes to Card Issuer. Then you need to select an option like you are doing a transaction for the Credit card. You need to enter your card number and expiry date. Select the option for Card present or Card not present. Enter the amount you need to pay. Then Card issuer's call center provides you a 6 digit approval code. You need to tell the approval code to the merchant, and the merchant also will get a message. Then the merchant completes the transaction using the Voice approval code. Notes:  Sometimes Merchant Service provider also facilitat