AI Practitioner

1. What is the with Statement? Python's with statement simplifies resource management and exception handling. It ensures that resources like files, network connections, and databases are properly acquired and released. 2. Basic Usage with open('example.txt', 'r') as file: data = file.read() print(data) In this example, the file example.txt is opened in read mode, its contents are read, and the file is automatically closed after the block is executed. 3. What is a Context Manager? The with statement works with context managers, which implement the __enter__() and __exit__() methods to manage resource setup and teardown. 4. Custom Context Manager class CustomContextManager: def __enter__(self): print("Setting up resource") return self def __exit__(self, exc_type, exc_value, traceback): print("Releasing resource") with CustomContextManager() as manager: ...