a=(1,2,3,4,5,6,7)
b=list(a)
c=(4,8,9)
d=list(c)
b.pop()
b.pop(4)
b.insert(2,0)
b.append("Sri")
b[5]=8
print (a[3])
b.extend(d)
print(b)
print(d)
YT0oMSwyLDMsNCw1LDYsNykKYj1saXN0KGEpCmM9KDQsOCw5KQpkPWxpc3QoYykKYi5wb3AoKQpiLnBvcCg0KQpiLmluc2VydCgyLDApCmIuYXBwZW5kKCJTcmkiKQpiWzVdPTgKcHJpbnQgKGFbM10pCmIuZXh0ZW5kKGQpCnByaW50KGIpCnByaW50KGQp
4
[1, 2, 0, 3, 4, 8, 'Sri', 4, 8, 9]
[4, 8, 9]