diff --git a/.idea/FunctionalProgrammingScalaCoursera.iml b/.idea/FunctionalProgrammingScalaCoursera.iml
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diff --git a/.idea/misc.xml b/.idea/misc.xml
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diff --git a/.idea/modules.xml b/.idea/modules.xml
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diff --git a/.idea/vcs.xml b/.idea/vcs.xml
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diff --git a/.idea/workspace.xml b/.idea/workspace.xml
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diff --git a/courses/.idea/misc.xml b/courses/.idea/misc.xml
index 7b79188..905695b 100644
--- a/courses/.idea/misc.xml
+++ b/courses/.idea/misc.xml
@@ -38,6 +38,11 @@
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diff --git a/example/.idea/misc.xml b/example/.idea/misc.xml
index bec6b3e..2b75574 100644
--- a/example/.idea/misc.xml
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diff --git a/recfun/.idea/misc.xml b/recfun/.idea/misc.xml
index d5d79e0..b3d0fba 100644
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diff --git a/recfun/.idea/modules/root-build.iml b/recfun/.idea/modules/root-build.iml
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diff --git a/recfun/.idea/modules/root.iml b/recfun/.idea/modules/root.iml
index e4c1677..8d1c7cb 100644
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