is it possible to reassign a single variable multiple times in a program??

Question

if yess ..thn what value will variable store ..

Answer 1

I don't think so we can use $a many time times in a program .while do so it will replace by the new value being assigned .

Answer 2

yes a variable can be used to multiple times in a program but it will store the last updated value to that variable

Answer 3

Not neccesarily if you use an array