Need to write on python Spyder

Polar coordinates: Using arctan2. By convention arctan(..) always returns an angle in the interval (n/2, /2). Therefore a straight appli- cation of the formula above gives the wrong answer when the point x, y s in the second or third quadrants, for example x =-1, y = 1 or r-1,y1. Improve your conversion function to fix this: (a) First, use if statements in your function to make sure that the correct is always returned, and that-r