15个Python小代码，释放你的程序员大脑53

Python是一种强大的编程语言，拥有丰富的库和工具，使其成为各种任务的不二之选。以下15个Python代码片段将展示其多功能性和解决复杂问题的优雅性。

1. 创建一个随机密码生成器```python
import random
def generate_password(length):
"""生成一个指定长度的随机密码。"""
chars = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ1234567890!@#$%^&*()"
password = ""
for i in range(length):
password += (chars)
return password
print(generate_password(10))
```

2. 从列表中删除重复项```python
my_list = [1, 2, 3, 4, 5, 1, 2, 3]
unique_list = list(set(my_list))
print(unique_list)
```

3. 计算两个列表的交集```python
list1 = [1, 2, 3, 4, 5]
list2 = [3, 4, 5, 6, 7]
intersection = set(list1).intersection(set(list2))
print(intersection)
```

4. 将字符串转换为标题格式```python
my_string = "this is a test string"
title_case_string = ()
print(title_case_string)
```

5. 从字典中获取最大值```python
my_dict = {"a": 1, "b": 3, "c": 2}
max_value = max(())
print(max_value)
```

6. 根据键对字典进行排序```python
my_dict = {"b": 3, "a": 1, "c": 2}
sorted_dict = dict(sorted(()))
print(sorted_dict)
```

7. 在列表中查找子字符串```python
my_list = ["abc", "def", "ghi", "abcdef"]
substring = "def"
if substring in my_list:
print("Substring found")
else:
print("Substring not found")
```

8. 从文件中读取并打印行```python
with open("", "r") as f:
for line in f:
print(line)
```

9. 将数据写入文件```python
with open("", "w") as f:
("Hello world!")
```

10. 使用正则表达式匹配模式```python
import re
pattern = r"^[a-z0-9]+@[a-z0-9]+\.[a-z]{2,3}$"
email = "user@"
if (pattern, email):
print("Valid email address")
else:
print("Invalid email address")
```

11. 使用Lambda函数进行快速映射```python
my_list = [1, 2, 3, 4, 5]
squared_list = map(lambda x: x 2, my_list)
print(list(squared_list))
```

12. 使用生成器创建无限序列```python
def fibonacci_generator():
a, b = 0, 1
while True:
yield a
a, b = b, a + b
fibonacci_sequence = fibonacci_generator()
for i in range(10):
print(next(fibonacci_sequence))
```

13. 使用装饰器测量函数执行时间```python
import time
def time_decorator(fn):
def wrapper(*args, kwargs):
start = ()
result = fn(*args, kwargs)
end = ()
print(f"{fn.__name__} took {end - start} seconds to execute")
return result
return wrapper
@time_decorator
def my_function(n):
for i in range(n):
print(i)
my_function(1000)
```

14. 使用多进程进行并行计算```python
import multiprocessing
def worker(num):
print(f"Worker {num} is running")
if __name__ == "__main__":
jobs = []
for i in range(5):
p = (target=worker, args=(i,))
(p)
()
```

15. 使用Tkinter创建简单的GUI```python
import tkinter as tk
root = ()
("Python小代码")
label = (root, text="Hello Python!")
()
()
```

2024-10-13

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