New to python had a problem

hello,everyone I was having time to learn python so i started learning it from day before yesterday,now I am trying to make snake game from curses module and I ran into A TROUBLE, figured someone from here would lend me some of their experience regarding this
the document is the photograph of the code fragment
Document 8.pdf

class Snake(object):
def init(self):
self.x='Hiss!'
def method_a(self,foo):
print(self.x +' '+ foo)

snake = Snake()
snake.method_a('Says the snake')

the above code fragment is having an error
upon trying to run it the terminal gives the following

Traceback (most recent call last):
File "hc.py", line 31, in
snake.method_a('Says the snake')
File "hc.py", line 28, in method_a
print(self.x +' '+ foo)
AttributeError: 'Snake' object has no attribute 'x'

can't find where the error is so i request you guys to please help me if you know any thing regarding this

and sorry i forgot the most important part of info iam using python 3.7.2 64 bit on windows 7

Bắt đầu với lớp Snake và traceback trong phần nội dung issue, sau đó kiểm tra Document 8.pdf được liên kết để tìm đoạn mã gốc. Tái hiện ví dụ bằng Python 3.7.2 và xác nhận rằng quá trình khởi tạo tạo ra thuộc tính được method_a sử dụng mà không phát sinh AttributeError đã được báo cáo.