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<DIV>To clarify:</DIV>
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<DIV>When I try to write the code such that when the text to be translated is in the lowercase (the first half of ascii_letters), the program should print the corresponding value in binary, it either says 'list index out of range' (if char in alphabet[1-26]:) or 'list indices must be integers' (if char in alphabet[0,1,2,3,4,5,6,etc.]).</DIV></BODY></HTML>