You Do Need power plug adapter while traveling from Tunisia to Laos.

Here is Why You Need An Adapter

The outlet and plug type used in Laos are A, B, C, E and F and in Tunisia are C and E. This is how they look like.

Tunisia

In Tunisia, outlets of type C and E are in use.

Type C

Type E

Laos

In Laos, outlets of type A, B, C, E and F are in use.

Type A

Type B

Type C

Type E

Type F