text: Traverse through string characters and count frequencies
code: for i in range ( len ( Str ) ) : NEW_LINE INDENT count [ ord ( Str [ i ] ) ] += 1 NEW_LINE DEDENT for i in range ( limit + 1 ) : NEW_LINE if ( count [ i ] > 0 ) : NEW_LINE INDENT print ( chr ( i ) , count [ i ] ) NEW_LINE DEDENT