a = input() b = [] c = ['.','.','abc', 'def', 'ghi', 'jkl', 'mno', 'pqrs', 'tuv', 'wxyz'] for k in a: list1 = str(k) list1.lower() if k >= 'A' and k <= 'Z': if k == 'Z': b.append('a') else: b.append(chr(ord(list1.lower())+1)) else: if k >= 'a'and k <='z': ...