Define a function sum_two_gr with three arguments returning the sum of the greatest two python
# Define a function
def sum_two_gr(a, b, c):
if min(a, b, c) == a:
return b + c
elif _ _ _:
return _ _ _
else:
return _ _ _
# Test new function
print(sum_two_gr(1, 2, 3))
print(sum_two_gr(10, 15, 5))
print(sum_two_gr(20, 10, 30))