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PLEASE HELP 10. Write a function called replace_elem that takes an array and two values and uses the simple search
algorithm to replace all instances of the first value with the second value

Sample Run 1:
a = [7, 4, 10, 3, 7, 2, 4, 5]
print (replace_elem(a, 4, 6))

Should output
[7, 6, 10, 3, 7, 2, 6, 5]

Sample Run 2
a = [7, 3, 10, 3, 7, 2, 9, 5]
print (replace_elem(a, 4, 6))

Should output
[7, 3, 10, 3, 7, 2, 9, 5]

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Answers: 3

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