for the first acquaintance with git

Kugot Ekaterina 1fbd5c4376 Merge branch 'master' into test1 1 rok pred
images 1fbd5c4376 Merge branch 'master' into test1 1 rok pred
mask.py 42f1e0aefb add a file with an example of working with masks for images 1 rok pred
nominal.py 1fbd5c4376 Merge branch 'master' into test1 1 rok pred