def method1(self):
    RLCN.static_var += 1

def method2(self):
    self.static_var += 1
rlcn = RLCN()
RLCN.static_var, rlcn.static_var
rlcn.static_var
rlcn.method1()
RLCN.static_var, rlcn.static_var
rlcn.method2()
RLCN.static_var, rlcn.static_var
Python - Access class variable from instance