#!/usr/bin/env python
# -*- coding: utf-8 -*-

"""
Napisz funkcję char_sum, która dla zadanego łańcucha zwraca
sumę kodów ASCII znaków.
"""


#def char_sum(text):
    #sum([ord(litera) for litera in list(text)])

tablica=[]
def char_sum(text):
    tablica.clear()
    for litera in list(text):
        tablica.append(ord(litera))
    return(sum(tablica))
#tablica.clear()




#char_sum("this is a string")
#char_sum('a')

def tests(f):
    inputs = [["this is a string"], ["this is another string"]]
    outputs = [1516, 2172]

    for input, output in zip(inputs, outputs):
        if f(*input) != output:
            return "ERROR: {}!={}".format(f(*input), output)
            break
    return "TESTS PASSED"

if __name__ == "__main__":
    print(tests(char_sum))