顺便发给我一份代码模板吧
时间: 2023-10-19 08:34:27 浏览: 69
以下是一些常见的Python代码模板,可以在解决特定问题时使用:
1. 读取文件内容:
```python
with open('filename', 'r') as f:
content = f.read()
```
2. 写入文件内容:
```python
with open('filename', 'w') as f:
f.write(content)
```
3. 列表推导式:
```python
new_list = [expression for item in iterable if condition]
```
4. 字典推导式:
```python
new_dict = {key_expression: value_expression for item in iterable if condition}
```
5. 集合推导式:
```python
new_set = {expression for item in iterable if condition}
```
6. Lambda表达式:
```python
lambda arguments: expression
```
7. Map函数:
```python
new_list = map(function, iterable)
```
8. Filter函数:
```python
new_list = filter(function, iterable)
```
9. Reduce函数:
```python
from functools import reduce
result = reduce(function, iterable)
```
10. 迭代器:
```python
class MyIterator:
def __init__(self, iterable):
self.iterable = iterable
self.index = 0
def __iter__(self):
return self
def __next__(self):
if self.index >= len(self.iterable):
raise StopIteration
result = self.iterable[self.index]
self.index += 1
return result
```
以上是一些常用的Python代码模板,希望能对你有所帮助。当然,在实际编写代码时,还需要结合具体的需求和场景进行修改和调整。
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