Is it possible only to declare a variable without assigning any value in Python?

Question

Is it possible to declare a variable in Python, like so?:

var

so that it initialized to None? It seems like Python allows this, but as soon

Answer 1

Is it possible to declare a variable in Python (var=None):

def decl_var(var=None):
if var is None:
    var = []
var.append(1)
return var