Please revise problem statement to indicate that summation is required, such as:
"the function avg_gain(odds,bets) should return the SUM of each bet's average gain (averaged for each possible outcome)"
It is not obvious from the example.
As stated by David, it is required to sum the averages after the calculation.
Maximum running product for a string of numbers
Is my wife right?
Are you in or are you out?
Find the sum of the elements in the "second" diagonal
Generate pi using logarithm
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