Python学习（2）

一些最简单的代码：

cast = ["a",1,["b",2],"c",["d","e","f","g"]]
#i=0
print cast
for i in cast:
	if isinstance(i,list):#attention on the first data ,it's a suffix nor a list 
		print "it's a list!"
	else:
		print(i)#the same as the last comment
print "I love Python"