python max function
square = {2: 4, -3: 9, -1: 1, -2: 4} # the largest key key1 = max(square) print("The largest key:", key1) # 2 # the key whose value is the largest key2 = max(square, key = lambda k: square[k]) print("The key with the largest value:", key2) # -3 # getting the largest value print("The largest value:", square[key2]) # 9