(setq org-babel-python-command "/usr/bin/python3")

import geojson
from geojson_length import calculate_distance, Unit
with open("laufstrecke.json") as f:
    geodata = geojson.load(f)
features = geodata["features"]
length = 0
for i in features:
    length += calculate_distance(i, Unit.meters)
return length

import geojson
from geojson_length import calculate_distance, Unit
with open("bahn.json") as f:
    geodata = geojson.load(f)
features = geodata["features"]
return len(list(filter(lambda x: "name" in x["properties"], features)))

import geojson
from geojson_length import calculate_distance, Unit
with open("bus.json") as f:
    geodata = geojson.load(f)
features = geodata["features"]
return len(list(filter(lambda x: "name" in x["properties"], features)))

import geojson
from geojson_length import calculate_distance, Unit
with open("orte.json") as f:
    geodata = geojson.load(f)
features = geodata["features"]
return len(list(filter(lambda x: "place_name" in x["properties"], features)))