If one leaves a lot of space in a C language code, will it require more space in a hard disk and RAM?

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Tutor

Head files tells system, how to deal with different functions with program such as printf(), scanf() , getche() etc. so you must have reference to it.
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Trainer

NO,
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Tutor

It is not must but always recommended if you want to build the career in language programming. At the same time, if you are planning to build your career in tools such as salesforce . you do not have to go for it.
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Tutor

It is good to learn ahead of time so that you can focus on other complex things later on.
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Hobbyist Teaching

Yes, Whatever character you use while writing the code it requires space(hard - disc ) , except comments each character is get allocated in RAM. RAM has a different sections so in which section your space will get allow to sit is different concept.
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