- mapping.append (('a', 'b', 'c', 'A', 'B', 'C')) # 0
- mapping.append (('a', 'b', 'c', 'A', 'B', 'C')) # 1
- mapping.append (('a', 'b', 'c', 'A', 'B', 'C')) # 2
- mapping.append (('a', 'b', 'c', 'A', 'B', 'C')) # 3
- mapping.append (('a', 'b', 'c', 'A', 'B', 'C')) # 4
- mapping.append (('a', 'b', 'c', 'A', 'B', 'C')) # 5
- mapping.append (('a', 'b', 'c', 'A', 'B', 'C')) # 6
- mapping.append (('a', 'b', 'c', 'A', 'B', 'C')) # 7
- mapping.append (('a', 'b', 'c', 'A', 'B', 'C')) # 8
- mapping.append (('a', 'b', 'c', 'A', 'B', 'C')) # 9
-
+ mapping.append (".,?'\"0-()@/:_") # 0
+ mapping.append (" 1") # 1
+ mapping.append ("abc2ABC") # 2
+ mapping.append ("def3DEF") # 3
+ mapping.append ("ghi4GHI") # 4
+ mapping.append ("jkl5JKL") # 5
+ mapping.append ("mno6MNO") # 6
+ mapping.append ("pqrs7PQRS") # 7
+ mapping.append ("tuv8TUV") # 8
+ mapping.append ("wxyz9WXYZ") # 9