my_list = []
for i in range(10, 50, 10): my_list.append(i)
# check
print(my_list)
my_list.insert(1, 15)
# check
print(my_list)
extend_list = [50, 60, 70]
my_list.extend(extend_list)
print("extend list")
print(my_list)
my_list.removed(-1) print("removed last list") print(my_list)
sorted(my_list) print("sorted") print(my_list)
print("find snd print index") print(my_list[3])