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But when someone asks, “What does $ mean in Python?” Problem Formulation: In Python programming, a common task involves checking whether a string contains a specific letter or set of letters. checking if a letter is present in a string in python [duplicate] Asked 9 years, 6 months ago Modified 9 years, 6 months ago Viewed 16k times منذ 5 من الأيام 4 I found a good way to do this with using a function and basic code. See examples, explanations and answers from other users. This is the recommended method for confirming the presence of a Learn how to check if one string contains another in Python using in, find(), and regular expressions. For instance, we might Learn how Python's print() function works, avoid common pitfalls, and explore powerful alternatives and hidden features that can improve your code. See sample code snippets and output for different scenarios. 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