Programmeren/les 6/6-3.py

#!/usr/bin/env python3
#title          :6-3.py
#description    :Opdracht 6.3 - Files Lezen
#author         :Marcel Haazen
#email          :marcel@haazen.xyz
#date           :04-10-2019 - 08:21
#version        :0.1
#usage          :python3 6-3.py
#notes          :
#python_version :3.7.4
#==============================================================================

file = open("kaartnummers.txt", "r")
n = 0
i = 0
li = 0
for line in file:
    i = i+1
    fields = line.split(",")
    if n < int(fields[0]):
        n = int(fields[0])
        li = li+1
print("Deze file telt",i,"regels")
print("Het grootste kaartnummer is:",n,"en dat staat op regel",li+1)
file.close