Created
February 6, 2020 11:48
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def str_to_ascii(s): | |
chars_to_ascii = [ord(e) for e in s] | |
reversed_ascii = chars_to_ascii[::-1] #or reversed(chars_to_ascii) | |
map_to_str = map(lambda x:str(x), reversed_ascii) #wymagane przez join aby kady element był stringiem | |
return "".join(map_to_str) | |
def ascii_to_str(s): | |
result = "" | |
while s: #póki nie przetworzymy wszystkiego | |
number_length = 3 if s[0]=='1' else 2 #sprawdzamy czy będzie cyfra 1XX czy 3X, 6-9X | |
ascii_number = s[:number_length] | |
char = chr(int(ascii_number)) | |
result+=char | |
s = s[number_length:] #wycinamy przetworzona liczbe | |
reversed_str = "".join(reversed(result)) | |
return reversed_str | |
assert ascii_to_str(str_to_ascii('hacker rank')) == 'hacker rank' | |
s = 'hacker rank' | |
to_ascii = str_to_ascii(s) | |
print(to_ascii) | |
to_str = ascii_to_str(to_ascii) | |
print(to_str) |
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