can someone answer this using conditional statements. and using int, split, float. and in format of get input, and output shown. and please use spyder softwaare for python.

1. Filename: assign2-1.py Write a program that takes three grades as input, computes the weighted average assuming the weights are 15%, 20% and 65% . respectively, determines the letter grade and produces the output shown below The output should change according to the grades entered. Input: a. python b. python assign2-1.py 79.9 79.0 79.7 c. python assign2-1.py 70.0 70.0 70.0 assign2-1.py 96.7 95.6 87.0 Output: a. Average: 90.175.. b. Average: 79.59 c. Average 70.0 2. Filename: assign2-2.py Letter Grade: A Letter Grade: C Letter Grade: C Write a program that takes a person's BMI as input, determines whether the person is underweight, normal weight, overweight or obese and produces the output shown below. The output should change according to the BMI entered. Determine a person's BMI category using the following: underweight (BMI