diff --git a/.DS_Store b/.DS_Store
new file mode 100644
index 0000000..42a6e6d
Binary files /dev/null and b/.DS_Store differ
diff --git a/pp.py b/pp.py
new file mode 100644
index 0000000..469272c
--- /dev/null
+++ b/pp.py
@@ -0,0 +1,2 @@
+with  open('test_requirements.txt') as fd:
+   requirements = [line.rstrip() for line in fd]
diff --git a/tests/test_catmath.py b/tests/test_catmath.py
index ced6358..aef4d6c 100644
--- a/tests/test_catmath.py
+++ b/tests/test_catmath.py
@@ -2,15 +2,15 @@
 
 
 def test__cat_years_to_hooman_years__middle_age__succeeds():
-    assert True
+    cat_age = 7
+    hooman_age = catmath.cat_years_to_hooman_years(cat_age)
+    assert hooman_age == 35
 
 
 def test__cat_years_to_hooman_years__less_than_one_year__succeeds():
-    assert True
-
-
-def test__cat_years_to_hooman_years__0__returns_0():
-    assert True
+    cat_age = 0.1
+    hooman_age = catmath.cat_years_to_hooman_years(cat_age)
+    assert hooman_age == 0.5
 
 
 # BONUS MATERIAL FOR STEP 2