Revert "commit fin de cours"

This reverts commit e08906c7b7f1c40aebd88e050a440f6a7c644f0c.
Revert "commit fonction fini"

This reverts commit d0b627c6d76340c1b822cce8251ae6069ff96fcd.
Revert "Revert "commit fonction fini""

This reverts commit fa53ac7dfa4910dbe953641f0cc05268044c6510.
Revert "Revert "commit fin de cours""

This reverts commit 297f4bdd8d89344da50da8061668e90c22a6a148.
commit fonction GetDistance amilioration