#replacing each country in dicts's keys with the corresponding dicts value
dicts = {"Korea, Rep.": "South Korea",
"Iran, Islamic Rep.": "Iran",
"Hong Kong SAR, China": "Hong Kong"}
for old_name, new_name in dicts.items():
GDP['Country'].replace({old_name : new_name}, inplace = True)
此代码的目的是重命名以下国家/地区列表:
"韩国共和国": "韩国","伊朗,伊斯兰共和国": "伊朗","中国香港特别行政区": "香港">
这些国家/地区名称位于 GDP 熊猫数据框的"国家/地区"列中
代码是正确的,但 for 循环困扰着我。
我认为你可以完全去掉循环:
#replacing each country in dicts's keys with the corresponding dicts value
dicts = {"Korea, Rep.": "South Korea",
"Iran, Islamic Rep.": "Iran",
"Hong Kong SAR, China": "Hong Kong"}
GDP['Country'].replace(dicts, inplace = True)
由于 replace 需要字典,它已经完成了您尝试执行的操作,即如果它匹配任何键,它将用相应的值替换它。