how to fix the rank in jupyter notebook

1#Convert the list into CSV file
2mycsv = csv.writer(open(r'C:\Users\ashen\OneDrive\Desktop\ITSS 4355.001 - Data Visualization - F20\Ashenafe.csv','w', newline=''))
3for row in list1:
4#Fetching the row index
5#No calculation is done at header level
6    e= list1.index(row)
7#Compare the year value of the current record with the year value of the previous record
8#if same calculate the rank, if different assign the rank as one
9    if row[1] != c and e != 0:
10        v=1
11        C= row[1]
12        row[3]= v
13    else:
14        if row[1] == c and e != 0:
15            v+=1
16            row[3]= v
17#write row to csv
18    mycsv.writerow(row)
19