Python出现TypeError: 'NoneType' object is not iterable
举例说明:defcontain():
score=4
ifscoreinnum:
returnTrue,score;
num=[1,2,3,0]
iscontain,score=contain()
printiscontain,score结果:>>>
Traceback(mostrecentcalllast):
File"D:\ProgramFiles\python\chengxu\temp.