3STRINGS AND WRITING PROGRAMS
“The only way to learn a new programming language is by writing programs in it.”—Brian Kernighan and Dennis Ritchie,The C Programming Language
Chapter 2 gave you enough integers and math for now. Python is more than just a calculator. Because cryptography is all about dealing with text values by turning plaintext into ciphertext and back again, you’ll learn how to store, combine, and display text on the screen in this chapter. You’ll also make your first program, which greets the user with the text “Hello, world!” and lets the user input their name.
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