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sum_to

Language/Type: ML

Define a function named sum_to that accepts an integer parameter n, where sum_to(n) returns: 1 + 1/2 + 1/3 + 1/4 + ... + 1/n .

For example, the call of sum_to(3) should return 1 + 1/2 + 1/3 = 1.83333.... You should return 0.0 if n is 0. You may assume that the function is not passed a negative value of n.

Your function must have the following signature:

val sum_to = fn : int -> real
Type your ML solution code here:

This is a function exercise. Write a ML function as described. Do not write a complete program; just the function(s) above.

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