What is a credit card mask?
A masked credit card is sometimes called a virtual credit card. When you mask your credit card, you get a new unique credit card number, expiration date and security code that you can use to make purchases without ever exposing your real credit card details.
What is input Data Mask?
An input mask is a string of characters that indicates the format of valid input values. You can use input masks in table fields, query fields, and controls on forms and reports. The input mask is stored as an object property. You use an input mask when it's important that the format of the input values is consistent.
How do I mask a credit card number in Python?
To define this program, we'll provide three inputs as the function's arguments: the credit card number as a string ( cc_string ), four digits in the credit card string ( digits_to_keep=4 ), and an asterisk to hide the character of each number in the credit card string ( mask_char='*' ).