Runtime Error Message: Line 44: TypeError: **init**() takes exactly 2 arguments (1 given)

Last executed input: push(-3),getMin

```
class MinStack:
# @param x, an integer
# @return an integer
def __init__ (self, x):
self.data=x
self.next=None
self.mini=x
head=None
def push(self, x):
n=self.__init(x)
if head is not None:
n.next=head
n.mini(head.mini,n.mini)
head=n
# @return nothing
def pop(self):
if head is None:
return None
n=head
head=head.next
x=n.data
del n
return x
# @return an integer
def top(self):
if head is not None:
return head.data
return None
# @return an integer
def getMin(self):
if head is not None:
return head.mini
return None
```