#Function to return sum of values for dictionary keys found in list

#This is the declared dictionary
words = {"a": 5, "b": 3, "c": 10 }
#This is the list accepted in the function
elements = []
#Function definition
def sum_of_values(words, elements):
#loop through the values to get the sum
    sum_all = 0
    for num in words.values():
        if num in words.keys() in elements:
            sum_all += num
            print(sum_all)