largest_of_three(a, b, c) that returns the largest of the three given numbers using only if/elif/else comparisons (no built-in max).largest_of_three(3, 9, 5)
9
9 is greater than both 3 and 5.
largest_of_three(7, 7, 2)
7
Ties resolve to the tied value.
Compare a and b first, keep the winner, then compare against c.
Chained comparisons like `a >= b and a >= c` also work.