旅麻雀用　西に100km地点を教えてくれる

tabima-jan

from geopy.distance import geodesic
import math
# (緯度, 経度)

KyotoStation = (34.98625332246909, 135.7589705460798)
input = ("w",100)　#行きたい方角と距離

nowPlace = [34.98625332246909, 135.7589705460798]
longest = [34.7024, 135.4959]

if(input[0] == "n"):
    longest[0] = 46.0000
elif(input[0] == "e"):
    longest[1] = 153.0000
elif(input[0] == "s"):
    longest[0] = 24.0000
elif(input[0] == "w"):
    longest[1] = 122.0000

outer = longest
inner = nowPlace

error = 1e10

while(abs(error) > 1):
    tmp=((inner[0]+outer[0])/2,(inner[1]+outer[1])/2)
    dis = geodesic(nowPlace, tmp).km
    error = dis - input[1]
    if(error>0):
        outer = tmp
    else:
        inner = tmp
    print(dis,tmp,inner,outer)
print(error,"\n",dis,"\n",tmp,nowPlace)
print("ここにとべ!",tmp)