Python - Weather API + Tkinter

# author: Bartlomiej "furas" Burek (https://blog.furas.pl)
# 2018.06.08

import requests
import tkinter as tk

#list of the prefecture

data = [ # name, city_code, column, row
    ("Hokkaido", "016010", 0, 0),
    ("Aomori", "020010", 1, 0),
    ("Iwate", "030010", 1, 1),
    ("Miyagi", "040010", 1, 2),
    ("Akita", "050010", 1, 3),
    ("Yamagata", "060010", 1, 4),
    ("Fukushima", "070010", 1, 5),
    ("Ibaraki", "080010", 2, 0),
    ("Tochigi", "090010", 2, 1),
    ("Gunma", "100010", 2, 2),
    ("Saitama", "110010", 2, 3),
    ("Chiba", "120010", 2, 4),
    ("Tokyo", "130010", 2, 5),
    ("Kanagawa", "140010", 2, 6),
    ("Niigata", "150010", 3, 0),
    ("Toyama", "160010", 3, 1),
    ("Ishikawa", "170010", 3, 2),
    ("Fukui", "180010", 3, 3),
    ("Yamanashi", "190010", 3, 4),
    ("Nagano", "200010", 3, 5),
    ("Gifu", "210010", 3, 6),
    ("Shizuoka", "220010", 3, 7),
    ("Aichi", "230010", 3, 8),
    ("Mie", "240010", 4, 0),
    ("Shiga", "250010", 4, 1),
    ("Kyoto", "260010", 4, 2),
    ("Osaka", "270010", 4, 3),
    ("Hyogo", "280010", 4, 4),
    ("Nara", "290010", 4, 5),
    ("Wakayama", "300010", 4, 6),
    ("Tototri", "310010", 5, 0),
    ("Shimane", "320010", 5, 1),
    ("Okayama", "330010", 5, 2),
    ("Hiroshima", "340010", 5, 3),
    ("Yamaguchi", "350010", 5, 4),
    ("Tokushima", "360010", 6, 0),
    ("Kagawa", "370010", 6, 1),
    ("Ehime", "380010", 6, 2),
    ("Kochi", "390010", 6, 3),
    ("Fukuoka", "400010", 7, 0),
    ("Saga", "410010", 7, 1),
    ("Nagasaki", "420010", 7, 2),
    ("Kumamoto", "430010", 7, 3),
    ("Oita", "440010", 7, 4),
    ("Miyazaki", "450010", 7, 5),
    ("Kagoshima", "460010", 7, 6),
    ("Okinawa", "471010", 8, 0),
]

# function of button / display each weather

def push(city_code):
    weather_data = requests.get(api_url, params={'city': city}).json() #get city name
    for i in weather_data["forecasts"]:
        print(i["dateLabel"] + "の天気は、" + i["telop"])
    print("\n")

# commnd exit application

def exit():
    base.destroy()

# --- main ---

api_url = "http://weather.livedoor.com/forecast/webservice/json/v1"

base = tk.Tk()
base.title("Japan Weather") #title
w = 10 #width of cell and col

# display menu_bar

menu_bar = tk.Menu(base)
file_menu = tk.Menu(menu_bar)
menu_bar.add_cascade(label="File", menu=file_menu)
file_menu.add_command(label = "Exit", command=exit)
base.config(menu=menu_bar)

# display button

for name, city, c, r in data:
    b = tk.Button(base, text=name, command=(lambda x= city:push(x)))
    b.grid(column=c, row=r, sticky='we')

base.mainloop()