python的新手，我收到一个属性错误

Question

class newnode:

def _init_(self):
    self.x=1
def nextmethod(self,value):
    self.result=value+self.x
    print(self.result)

def main():

node1=newnode()
node1.nextmethod(6)

if name ==' main ':

main()

C:/Users/hp/Desktop/untitled0.py", line 5, in nextmethod self.result=value+self.x

AttributeError: 'newnode' object has no attribute 'x'

Answer 1

Just use this code:

class newnode:
    def __init__(self):
        self.x=1
    def nextmethod(self,value):
        self.result=value+self.x
        print(self.result)

def main():
    node1=newnode()
    node1.nextmethod(6)

if __name__=='__main__':
    main()

Remember that init has double underscores.