Aug 31, 2008 · The double asterisk '**' in a function definition combines multiple keyword arguments into a single dictionary argument. >>> def C(**dic): ... print(dic) ... >>> C(a=9, b=8, c=7, d=6, e=5) {'a': 9, 'b': 8, 'c': 7, 'd': 6, 'e': 5} The double asterisk '**' in a function call splits a dictionary-like object into individual keyword arguments.

Apr 12, 2025 · What does the Double Star operator mean in Python? The ** (double star)operator in Python is used for exponentiation. It raises the number on the left to the power of the number on the right.

Sep 14, 2024 · What is ** in Python? The ** (Double asterisk or Double star)operator in Python is used for two main purposes: Exponentiation (raising a number to a power) Unpacking keyword arguments into functions; Let’s dive deeper into both of these usages and understand how they work with practical examples. **Exponentiation Using ** in Python

Apr 24, 2024 · This article explains the double-asterisk operator or double-star operator (**) and the difference between single-asterisk(*) and double asterisk(**) in different scenarios.

May 27, 2010 · The double star ** does the same thing for a dictionary, providing values for named arguments: values = {'a': 1, 'b': 2} s = add(**values) # equivalent to add(a=1, b=2) Both operators can be used for the same function call.

Mar 17, 2025 · What is Python Double Asterisk (**)? Python’s double asterisk (**) is a powerful tool used in function arguments. Unlike a single asterisk (*args), which gathers positional arguments into a tuple, **kwargs collects keyword arguments into a dictionary. Quick Example:

Oct 7, 2020 · The double asterisk operator can be used to merge two dictionaries in Python. The dictionary unpacking feature z = {**dict1, **dict2} creates a new dictionary and unpacks all (key-value) pairs into the new dictionary.

May 7, 2024 · Here a double asterisk( ** ) is also used as **kwargs, the double asterisks allow passing keyword arguments. This special symbol is used to pass a keyword arguments and variable-length argument lists.

May 25, 2022 · In the same way we can destructure lists with the asterisk (*) operator, we can use the double-asterisk (**) operator to destructure dictionaries in Python functions. Consider a function like this: def change_user_details ( username , email , phone , date_of_birth , street_address ) : user = get_user ( username ) user . email = email user ...

Sep 6, 2024 · In this guide, we will talk about “What does * (single asterisk) and ** (double asterisk) do to parameters” with proper illustrations. Quick Answer: Single Asterisk allows the developer to pass a variable number of Positional parameters and automatically converts the input values in the form of tuples.