def func(l):
if isinstance(l,list):
sum=0
for n in l:
sum+=n
return sum
elif isinstance(l,tuple):
sum=1
for n in l:
sum*=n
return sum
else:
print('wrong')
l1=[1,2]
l2=(1,2)
print(func(l1))
print(func(l2))
def sub_sum(list):
n=0
sum1=0
sum2=0
L=list[n]
for L in list:
if n%2==0:
sum1+=L
else:
sum2+=L
n=n+1
return sum1,sum2
list=[1,2,3,4]
print(sub_sum(list))
s1 = set([1, 2, 3, 4, 5])
s2 = set([1, 2, 3, 4, 5, 6, 7, 8, 9])
s3=set()
for num in s1:
if num in s2:
s3.add(num)
for num in s2:
if num in s1:
s3.add(num)
print(s3)
