please write code for 8, 9, 10, and 11 in C++ and Python

8) Draw a flowchart to find the sum of first 100 natural numbers. 9) Draw a flowchart to find the largest of three numbers x,y and z. 10) Draw flowchart for the problem of determining prime number? 11) Draw a flowchart which generates first 50 items of the Fibonacci series: 1,1,2,3,5,8