Python 3 for Beginners: Introduction to Functions and Built-in Functions in Python

The video tutorial introduces functions in Python, focusing on the print and Len functions. It explains how functions can accept arguments and return data. The print function is demonstrated with variables and direct string inputs. The Len function is introduced to calculate the length of strings, with examples showing its use with variables and direct calls. The tutorial emphasizes understanding function calls and the evaluation order in Python.

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