Python using folium excel to plot point

#!/usr/bin/env python
# -*- coding: utf-8 -*-
# @File : 
# @Author: huifer
# @Date : 2018/6/28
import pandas as pd
import math
import folium
def degree_conversion_decimal(x):
  """
  Convert degree minutes to decimal
  :param x: float
  :return: integer float
  """
  integer = int(x)
  integer = integer + (x - integer) * 1.66666667
  return integer
def distance(origin, destination):
  """
  Calculate the distance between two points in latitude and longitude
  :param origin.
  :param destination.
  :return.
  """
  lat1, lon1 = origin
  lat2, lon2 = destination
  radius = 6371 # km
  dlat = (lat2 - lat1)
  dlon = (lon2 - lon1)
  a = (dlat / 2) * (dlat / 2) + ((lat1)) \
    * ((lat2)) * (dlon / 2) * (dlon / 2)
  c = 2 * math.atan2((a), (1 - a))
  d = radius * c
  return d
# Data preparation
data = pd.read_excel('SURF_CHN_MUL_HOR_STATION.xlsx')
# Modify to decimal and retain one decimal place #
data['Longitude'] = data['Longitude'].apply(degree_conversion_decimal)
data['Latitude'] = data['Latitude'].apply(degree_conversion_decimal)
data['Observation site elevation (meters)'] = data['Observation site elevation (meters)'].apply(lambda x: round(x, 1))
data['Barometric sensor altitude above sea level (meters)'] = data['Barometric sensor altitude above sea level (meters)'].apply(lambda x: round(x, 1))
# Save new documents
# data.to_csv('weather station information decimal.csv')
data["Distance to Hangzhou(km)"] = (lambda r: distance((r['Latitude'], r['Longitude']), (30.14, 120.1)), axis=1)
# print(data[data['Distance to Hangzhou (km)']<100].sort_values('Distance to Hangzhou (km)'))
# Select content other than Hangzhou
selected_st = data[data['Distance to Hangzhou(km)'] < 100].sort_values('Distance to Hangzhou(km)').iloc[1::]
# Display maps
# Extract data
hzdata = [data['Station name'] == 'Hangzhou', ['Station name', 'Latitude', 'Longitude']]
myMap = (location=[[0]['Latitude'], [0]['Longitude']])
icon_hz = dict(
  prefix='fa', color='red', icon_color='darkred', icon='cny'
)
icon = (**icon_hz)
(
  location=[[0]['Latitude'], [0]['Longitude']],
  popup="Hangzhou",
  icon=icon
).add_to(myMap)
for i in range(len(selected_st)):
  name = selected_st.iloc[i]['Station name']
  x = selected_st.iloc[i]['Latitude']
  y = selected_st.iloc[i]['Longitude']
  test = (
    '<b>name:{}</b></br> <b>x:{}</b></br> <b>y:{}</b></br>'.format(name, x, y),
    script=True)
  popup = (test, max_width=2650)
  (
    location=[x, y],
    popup=popup,
  ).add_to(myMap)
("")