map(str.capitalize,map(str.lower,['adam','LISA','barT'])) # shou zimu daxie.qiyuxiaoxie.
def prod(x,y):
	return x * y    #prod() qiu ji
reduce(prod,[1,2,3,4,5])
#120
l = range(100)
[0.....]
 l.pop(0)  #shanchu  zhiding weizhi canshu  0 wei diyi ge 
l.append('adam')# wang  list zhong zhujia yuansu dao mowei
l.insert(1,'jack') # zai suoyin hao  wei  1 de weizhi  tianjia ge 'jack'
