<jupyter_start><jupyter_text>Challenge: Combining Branches and LoopsWatch the full [C 101 video](https://www.youtube.com/watch?v=qK7tUpaOXi8&list=PLdo4fOcmZ0oVxKLQCHpiUWun7vlJJvUiN&index=11) for this module.Here's a challenge:>> See if you can write C code to find the sum of all integers 1 through 20 that are divisible by 3.>First, try on your own in this notebook below, or in Visual Studio, or in Visual Studio Code.<jupyter_code>Console.WriteLine("Challenge");<jupyter_output>Challenge
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