Why do we always use 'i' in loops?
It is a historical convention originating from early programming languages (like Fortran), standing for 'index' or 'iterator'.
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More FAQs in Understanding Loop Variables and Their Scope
It refers to the region of code where the loop's counter variable is accessible. Usually, it is restricted to the loop block itself.
Yes, as long as the loops are separate and 'i' is declared with block scope within each loop's initialization.
You must declare the counter variable outside and above the loop. This makes it accessible to the broader function scope.
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