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Alex Flores7,864 Points
Do I need to learn how to program without using built-in functions?
This might be a silly question, but I have to ask it. Sometimes I'll do some challenges online at various sites to test my skill (e.g., reverse a string), but most of them ask me to perform the challenge without the use of built-in functions. Sometimes I can do the challenges without functions and sometimes it goes right over my head.
How proficient should I be at creating scripts without the use of functions? I mean, I can easily do these challenges with the built-in functions. I know that it's helping me become a better programmer in the sense of problem solving skills, but is this really necessary in a coding age where we're using SOO many different languages and help is usually accessible online?