Local variables

• What is a local variable


  A variable that is only accessible in the subroutine that its called in and only exists while the subroutine is being executed
• What are the benefits of using local variables (3)


  • Value cannot be accidentally chnaged elsewhere in the program
  • Same variable name can be reused elsewhere in the program
  • Frees up memory as a local variable is removed from memory when the program is finished with it
• What is a global variable


  Can be used anywhere in the program'