further understanding
#!/usr/bin/python
#coding=utf-8
l=list()
def func(para):
if isinstance(para,list):
print('para类型为列表。')
print('\n')
for i in para:
if type(i)==int or type(i)==float:
l.append(i)
else:
print('列表中元素i={}不是数字类型。'.format(i))
print('para1返回所有数字类型元素之和:{}'.format(sum(l)))
print('\n')
if isinstance(para,tuple):
print('para类型为元组。')
print('\n')
num=1
for i in para:
if type(i)==int or type(i)==float:
num=num*i
else:
print('元组中元素i={}不是数字类型。'.format(i))
print('para2返回所有数字类型元素之积:{}'.format(num))
para1=['herman','0',0,1,1.5,9]
para2=(1,2,'h','iu',8.15)
func(para1)
func(para2)
