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if return python

时间: 2023-12-11 17:04:03 浏览: 93

python if 语句

检查两个值是否相等, 用 == day = "sunny" if day == "sunny": //由于变量day的值是sunny，因此通过这条条件测序，python就会执行紧跟在if语句后面的代码块 print("Excellent") //输出结果为： Excellent 检查两个值不相等，用!= day = "rainy" if day != "sunny": print("Sorry, you need to do one more time") //输出结果为： Sorry, you need to do one more time 使用and检查多个条件，如

In Python, the `return` statement is used to exit a function and return a value back to the caller. It can also be used to return None if no value is specified. Here's an example: ``` def add_numbers(a, b): return a + b result = add_numbers(3, 4) print(result) # Output: 7 ``` In this example, the `return a + b` statement returns the sum of `a` and `b` back to the caller when the `add_numbers` function is called. The returned value is then stored in the `result` variable and printed.

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