Finding Maximum Value in CSV File

Question

Have an assignment of finding average and maximum rainfall in file \"BoulderWeatherData.csv\". Have found the average using this code:

    rain = open(\"BoulderW         


        

Answer 1

max=0 
for line in data:
      r = line.split(",")
      if float(r[4]) > max:
           max=float(r[4])
print(max)

something like that