Add lab session 7
Handed in on Jan 24.
Change-Id: I9e804d3f114e175887847cc737ad71d316081a45
diff --git a/p7/data/refredant_deriva.dat b/p7/data/refredant_deriva.dat
new file mode 100644
index 0000000..ef8c3b6
--- /dev/null
+++ b/p7/data/refredant_deriva.dat
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