Merge pull request #46 from mpbujarski/master

Pr_dom Slowikowska, Bujarski
materiał na zajęcia
praca domowa
Merge pull request #1 from pbiecek/master

uaktualnione TWDiR
pd9 sommer_ryciuk
Merge pull request #47 from sommermarta/master

pd9 sommer_ryciuk