Python Function Quiz

如何正确定义一个名为`greet`的无参数函数？
How to correctly define a parameterless function named greet?

• def greet:

• def greet():

• function greet():

• greet():

以下函数调用会输出什么？
What is the output of this function call?

• A. 5

• B. 3

• C. 报错

• D. None

以下哪个关键字用于从函数返回值？
Which keyword is used to return a value from a function?

• `return`

• `break`

• `exit`

• `output`

下列代码的输出是什么？
What is the output of this code?

• 5

• 10

• 报错

• None

如何定义一个接受任意数量位置参数的函数?

How to define a function that accepts any number of positional arguments?

• `def func(*args):`

• `def func(args):`

• `def func(**kwargs):`

• `def func(*):`

以下代码的输出是?

What is the output of this code?

• A. "HiHiHi"

• B. "Hi3"

• C. 报错

• D. `3`

哪个选项可以正确调用函数

Which option correctly calls the function

`process(data, mode='fast')`?

• process(mode='slow', data)

• process('slow', data)

• process(data, 'slow')

• process(data, mode='slow')

What does this recursive function calculate?

• 斐波那契数列

  Fibonacci sequence

• 阶乘

  Factorial

• 累加和

  Sum

• 平方数

  Square

以下代码的输出是什么?

What is the output of this code?

• 'None'

• '0'

• 报错

• 'pass'

函数内部可以修改全局变量而无需使用'global'关键字。

Functions can modify global variables without using the global keyword.

• 正确

  True

• 错误

  False