a=(10,20,30,50)
print(a[1])
print(a.index(20))
print(a*2)
print(a.count(20))
print(100 not in a)
print(min(a))
print(max(a))


b=[1,0,20,3,0,20,2,0]
print(tuple(b))
c=(10,20,30,40,50)
print(list(c))


