dogs

### Variante 1
aarons = []
with open("20151001_hundenamen.csv") as file:
  for line in file:
    data = line.split(",")
    if data[0] == '"Aaron"':
      if int(data[1]) > 2000  and int(data[1]) < 2012:
        aarons.append(line)
len(aarons)

### Variante 2
with open("20151001_hundenamen.csv") as file:
  i = 0
  for line in file:
      if i == 0:
        print("Header")
      else:
        data = line.split(",")
        if data[0].replace('"', '') == "Aaron":
          print(data[0] + ":" + data[1])
      i = i+1


### Variante 3
dogs = {}
with open("20151001_hundenamen.csv") as file:
  i = 0
  for line in file:
        data = line.split(",")
        if data[0] in dogs:
          dogs[data[0]] += 1
        else:
          dogs[data[0]] = 1
dogs['"Aaron"']