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#include <stdio.h>
#include <cs50.h>
string my_function();
string global = "SUPERMAN!";
int main(void)
// Using global variables.
// In this case there are no copies.
// The original global variable
// is modified
global = "FLASH";
printf("the global variable is %s\n", global);
string my_function()
global = "BATMAN!";
return global;
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