def insert_list(L, i, element):
L_lenght = len(L)
if i < 1 or i > L_lenght:
return False
if i <= L_lenght:
for k in range(i-1, L_lenght)[::-1]:
L[k+1:k+2] = [L[k]]
L[i-1] = element
print L
return True
# L = [1,2,3,4]
# insert_list(L, 2, 0)