Question: What is the program if y is passed to foo by value / reference? Explain your answer. x:integer x: = 2 procedure foo ( y:integer

What is the program if y is passed to foo by value / reference? Explain your answer.
x:integer
x:=2
procedure foo (y:integer)
y:=8print x
print y
x:=4
foo(x)
print x
Solve and explain how answer is correct please!

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