python

Write a Python program that will take your test scores ( 3 tests) as input from the keyboard (using input function) and display the average test score. [ round the value to 2 decimal places] Sample input/output: Enter test score 1: 17.50 Enter test score 2: 19.75 Enter test score 3 : 18.25 average test score is 18.50 Problem 2 Write a python program that gets an item's original price and calculates its sale price, with a 25% discount. Sample input/output: Enter the item's original price: 100 The sale price is 75.0 Problem 3 Body Mass Index (BMI) calculator. The program reads the user's weight (in pounds) and height (in inches), then calculates and displays the user's BMI. The formula is: BMI=heightheightweight703 Sample output: Enter weight in pounds: 174 Enter height in inches: 71