Cartopy-Python语法-在一行中包含多个对象/国家

import cartopy.crs as ccrs
import cartopy.feature as cfeature
import matplotlib.pyplot as plt

# 创建地图
fig = plt.figure(figsize=(10, 6))
ax = fig.add_subplot(1, 1, 1, projection=ccrs.PlateCarree())

# 绘制国家边界
countries = cfeature.NaturalEarthFeature(
    category='cultural',
    name='admin_0_countries',
    scale='50m',
    facecolor='none')
ax.add_feature(countries, edgecolor='gray')

# 设置地图范围
ax.set_extent([70, 140, 15, 60], crs=ccrs.PlateCarree())

# 显示地图
plt.show()