ex_6

File "ex_6.py", line 4, in (module)

y = "Those who know %s and those who %s." (binary, do_not)    # used %

TypeError:'str' object is not callable 

少寫一個%

轉義字符

\\  \

\'

\"

\a

\b

\f

\n

\N{Name}

\r ASCII

\t ASCII

\uxxxx

\Uxxxxxxxx

\v

\ooo

\xhh

%r 輸出的是完整的數據

%s 輸出字符