Q$1)$

Create a function that takes a list of dictionaries and returns a new list with all dictionaries merged into a single dictionary.

Q$2)$ write a function that calculates the sum of the squares of the digits in a given number.

Q$3)$ Define a function that takes a variable number of arguments and returns the sum of all the even arguments.

Q$4)$ Create a function that facilitates the pre$-$booking of a hotel room and associated services. The function should take inputs such as the customer's name, card ID$,$ and preferred services. It is designed to determine the acceptability of the booking process based on factors such as the availability of rooms, the sufficiency of funds in the customer's card to cover both the room and selected services. Additional services and their respective costs can be specified by you as needed.