如何从值中获取键?
我的字典:
countries = {
"Normal UK project" : "1",
"UK Omnibus project" : "1-Omni",
"Nordic project" : ["11","12","13","14"],
"German project" : "21",
"French project" : "31"
}
我的代码有些问题:
for k, v in countries.items():
if "1" in v:
print k
期望输出:
Normal UK project
实际输出:
French project
UK Omnibus project
German project
Normal UK project
如何修复我的代码?