雖然使用string.count（）方法，但出現錯誤TypeError：預期的字符緩衝區對象

Question

s = "That that is is that that is not is not is that it it" 
sub = "s" 
print "str.count(sub, 4, 40) : ", str.count(sub, 4, 40) 

雖然使用string.count()方法會出現以下錯誤。

錯誤：

TypeError: expected a character buffer object 

Answer 1

不要呼籲str類，但你的字符串對象的方法：您需要

s = "That that is is that that is not is not is that it it" 
sub = "s" 
print "s.count(sub, 4, 40) : ", s.count(sub, 4, 40)