I need the SIMPLEST form of coding for python. please dont have the code too complex

Write code that uses turtle graphics to draw an equilateral triangle, a square and a regular pentagon, each with side length 100. 1. Write code that uses turtle graphics to draw four concentric circles or radius 50, 100, 150 and 200 2. Write code that uses the Python math module to compute and print out the values of a. 100! b. the log (base 2) of 1,000,000 c. the greatest common denominator of 63 and 49 3. Hint: there is a description of each function in the math module in the Python documentation, which you can access here: Help-> Python docs-> Global Module Index-> math