●くろまる Write a program that lets the user perform arithmetic operations on two numbers. Your program must be menu driven, allowing the user to select the operation (+,-, *, or /) and input the numbers. • Furthermore, your program must consist of the following functions: O Function showChoice(): This function shows the options to the user and explains how to enter data.

Python Programming Only (PLEASE INCLUDE INPUT VALIDATION IF NEEDED) Write a function named maximum that accepts two integer values as arguments and returns the value that is the greater of the two. For example, if two numbers are one big and one small the function should return the bigger number. Use the function in a program that prompts the user to enter two integer values. The program should display the value that is the greater of the two.

Write a function to display a pattern as follows: 12 13 2 1 ...n n-1 ... 3 2 1The function header isdef displayPattern(n):Write a test program that prompts the user to enter a number n and invokes displayPattern(n) to display the pattern.

C#: Please help

An 'expression' in programming is... * O any code that performs an operation using a single operator. O any code that is written on a single line. O any code that evaluates to a singular value. any code that calls a function.