Python decorators
shape
lambda keyword. Unlike a regular function defined with the def keyword, a lambda function can have any number of arguments but can only contain a single expression. The result of the expression is automatically returned by the lambda function. with statement in Python is used to simplify exception handling and ensure that certain resources are properly managed, such as files, network connections, or database connections. It is often used in conjunction with context managers, which are objects that define the behavior of the with statement. open() function.