integer_list = []

integer_list.append(1)
integer_list.append(2)
integer_list.append(3)
integer_list.append(4)
integer_list.append(5)


print(integer_list)

integer_list.pop(0)

print(integer_list)

integer_list.append(6)
print(integer_list)

integer_list.append(None)
integer_list[5] = 7

print(integer_list)
