Code:
Input:

list = [23, 12, 65, 34, 91, 43]

print(list)

for i in range(len(list)):
    min_index = list.index(min(list[:len(list)-i]))
    list.append(list[min_index])
    list.pop(min_index)

print(list)

Output:

[23, 12, 65, 34, 91, 43]
[12, 23, 34, 43, 65, 91]