The statement if __name__ == "__main__": is a common idiom used in Python to allow a module to be run as a standalone program or be imported and used by another module. When a Python module is run directly as a script, the special variable &l

In Python, the yield keyword is used in a function to turn it into a generator. When a generator function is called, it returns a generator object that can be used to iterate over a sequence of values.

In SQL Server, you can use the UPDATE statement with a SELECT statement to update rows in a table based on data from another table or a subset of data from the same table.

Yes, Python has a ternary conditional operator, also known as a ternary operator or a conditional expression. It allows you to write a simple if-else statement in a single line.

Yes, it is possible to catch multiple exceptions in a single except block in Python.

In Python, You can merge two dictionaries in a single expression using the update() method.

In Python, meta classes are classes that define the behavior of other classes. In other words, a meta class is a class that creates classes. Meta classes allow you to control the behavior of class creation, and to customize how classes are defined.