Bolehkah Python Melaksanakan Kaedah Overloading dan Bagaimana?

<code class="python">class A:
    def stackoverflow(self):
        print('first method')

    def stackoverflow(self, i):
        print('second method', i)

ob = A()
ob.stackoverflow(2)  # Output: second method 2
ob.stackoverflow()  # Error: Takes exactly 2 arguments (1 given)</code>

<code class="python">class A:
    def stackoverflow(self, i='some_default_value'):
        print('only method')

ob = A()
ob.stackoverflow(2)  # Output: second method 2
ob.stackoverflow()  # Output: only method</code>

<code class="python">from functools import singledispatch

@singledispatch
def fun(arg, verbose=False):
    if verbose:
        print("Let me just say, ", end=" ")
    print(arg)

@fun.register(int)
def _(arg, verbose=False):
    if verbose:
        print("Strength in numbers, eh?", end=" ")
    print(arg)

@fun.register(list)
def _(arg, verbose=False):
    if verbose:
        print("Enumerate this:")
    for i, elem in enumerate(arg):
        print(i, elem)</code>