python 回调函数

def greet(name):
    print(f"Hello, {name}!")

def call_callback(callback, name):
    callback(name)

call_callback(greet, "Alice")

def apply_operation(operation, x, y):
    return operation(x, y)

result = apply_operation(lambda a, b: a + b, 5, 3)
print(result)  # 输出: 8

class Calculator:
    def add(self, a, b):
        return a + b

def execute_method(method, *args):
    return method(*args)

calc = Calculator()
result = execute_method(calc.add, 10, 20)
print(result)  # 输出: 30

import asyncio

async def async_task(task_name, seconds):
    print(f"Starting {task_name}")
    await asyncio.sleep(seconds)
    print(f"Finished {task_name}")

async def main():
    await async_task("Task 1", 2)
    await async_task("Task 2", 1)
    await async_task("Task 3", 3)

asyncio.run(main())