鍦≒ython涓紝鍑芥暟涔嬮棿鍙互閫氳繃鍑芥暟鍚嶇洿鎺ヨ皟鐢紝渚嬪锛?/p>

def hello():
    print("Hello, world!")

def goodbye():
    print("Goodbye, world!")

hello()  # 璋冪敤hello鍑芥暟锛岃緭鍑?Hello, world!
goodbye()  # 璋冪敤goodbye鍑芥暟锛岃緭鍑?Goodbye, world!

鍦ㄥ嚱鏁板唴閮紝鍙互浣跨敤return璇彞灏嗗嚱鏁扮殑杩斿洖鍊间紶閫掔粰璋冪敤鍑芥暟鐨勫湴鏂癸紝渚嬪锛?/p>

def square(x):
    return x * x

def cube(x):
    return x * x * x

result1 = square(5)  # 璋冪敤square鍑芥暟锛岃繑鍥?5
result2 = cube(result1)  # 璋冪敤cube鍑芥暟锛屽皢square鍑芥暟鐨勮繑鍥炲€间綔涓哄弬鏁帮紝杩斿洖125
print(result2)  # 杈撳嚭125

姝ゅ锛屽嚱鏁拌繕鍙互閫氳繃鍙傛暟浼犻€掑€肩粰鍏朵粬鍑芥暟锛屼緥濡傦細

def add(a, b):
    return a + b

def multiply(a, b):
    return a * b

def calculate(a, b, operation):
    if operation == "add":
        return add(a, b)
    elif operation == "multiply":
        return multiply(a, b)

result = calculate(2, 3, "multiply")  # 璋冪敤calculate鍑芥暟锛屼紶閫掑弬鏁?, 3鍜屽瓧绗︿覆"multiply"
print(result)  # 杈撳嚭6

鍦ㄤ笂杩颁緥瀛愪腑锛?code>calculate鍑芥暟鏍规嵁浼犲叆鐨?code>operation鍙傛暟鍐冲畾璋冪敤鍝釜鍑芥暟锛屽苟杩斿洖瀵瑰簲鍑芥暟鐨勭粨鏋溿€?/p>