python作业

  1. **函数级的封装**:

```python

import random

def generate_random_data(data_structure):

if isinstance(data_structure, int):

return random.randint(0, data_structure)

elif isinstance(data_structure, float):

return random.uniform(0, data_structure)

elif isinstance(data_structure, list):

return [generate_random_data(item) for item in data_structure]

elif isinstance(data_structure, dict):

return {key: generate_random_data(value) for key, value in data_structure.items()}

else:

return None

使用修饰器进行扩展功能

def add_prefix(func):

def wrapper(*args, **kwargs):

result = func(*args, **kwargs)

return f"Random Data: {result}"

return wrapper

@add_prefix

def generate_random_data_wrapper(data_structure):

return generate_random_data(data_structure)

测试函数

data_structure = [1, 2, {'a': 3, 'b': [4, 5]}, 6]

random_data = generate_random_data_wrapper(data_structure)

print(random_data)

```

  1. **类的封装**:

```python

import random

class RandomDataGenerator:

def init(self):

pass

def generate_random_data(self, data_structure):

if isinstance(data_structure, int):

return random.randint(0, data_structure)

elif isinstance(data_structure, float):

return random.uniform(0, data_structure)

elif isinstance(data_structure, list):

return [self.generate_random_data(item) for item in data_structure]

elif isinstance(data_structure, dict):

return {key: self.generate_random_data(value) for key, value in data_structure.items()}

else:

return None

使用迭代器进行数据生成

def generator(self, data_structure):

if isinstance(data_structure, (list, dict)):

for item in data_structure:

yield self.generate_random_data(item)

测试类

data_structure = {'a': 1, 'b': [2, 3]}

generator = RandomDataGenerator()

random_data = generator.generate_random_data(data_structure)

print(random_data)

测试迭代器

for data in generator.generator(data_structure):

print(data)

```

  1. **包的封装**:

添加一个名为`random_generator`的包,结构如下:

```

random_generator/

init.py

core.py

decorators.py

generators.py

```

`core.py`文件:

```python

import random

def generate_random_data(data_structure):

if isinstance(data_structure, int):

return random.randint(0, data_structure)

elif isinstance(data_structure, float):

return random.uniform(0, data_structure)

elif isinstance(data_structure, list):

return [generate_random_data(item) for item in data_structure]

elif isinstance(data_structure, dict):

return {key: generate_random_data(value) for key, value in data_structure.items()}

else:

return None

```

`generators.py`文件:

```python

from .core import generate_random_data

class RandomDataGenerator:

def init(self):

pass

def generate_random_data(self, data_structure):

return generate_random_data(data_structure)

def generator(self, data_structure):

if isinstance(data_structure, (list, dict)):

for item in data_structure:

yield generate_random_data(item)

```

`decorators.py`文件:

```python

def add_prefix(func):

def wrapper(*args, **kwargs):

result = func(*args, **kwargs)

return f"Random Data: {result}"

return wrapper

```

`init.py`文件:

```python

from .core import generate_random_data

from .generators import RandomDataGenerator

from .decorators import add_prefix

```

在包外调用:

```python

from random_generator import generate_random_data, RandomDataGenerator, add_prefix

data_structure = {'a': [1, 2], 'b': {'c': 3, 'd': 4}}

random_data = generate_random_data(data_structure)

print(random_data)

generator = RandomDataGenerator()

for data in generator.generator(data_structure):

print(data)

@add_prefix

def generate_random_data_with_prefix(data_structure):

return generate_random_data(data_structure)

random_data_prefixed = generate_random_data_with_prefix(data_structure)

print(random_data_prefixed)

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