[Python] Calling a class method using function pointers in Python [duplicate]

Consider the following python code

global_list = []
class class1:
def __init__(self):
global_list.insert(0,self.method1)
self.label = "class 1"

def method1(self):
print(self.label)

class class2:
def __init__(self):
self.label = "class 2"

def method2(self):
global_list[0]()

ob1 = class1()
ob2 = class2()
ob2.method2()


When ran, the code, as I somehow expect, prints "class 1". But I do not know how it "remembers" the context and the implicit "self" argument ... Can somebody explain?

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