print char, SyntaxError: Missing parentheses in call to 'print'.

Python 自然语言处理 P97

sent = 'colorless green ideas sleep furiously'

for char in sent:
    print char,
  File "<ipython-input-116-f86bcf6ed1e8>", line 2
    print char,
             ^
SyntaxError: Missing parentheses in call to 'print'. Did you mean print(char, end=" ")?

Python 2 与 3 的区别
修改为

sent = 'colorless green ideas sleep furiously'

for char in sent:
    print (char, end="")
    

colorless green ideas sleep furiously