diff --git a/.idea/encodings.xml b/.idea/encodings.xml
new file mode 100644
index 0000000..15a15b2
--- /dev/null
+++ b/.idea/encodings.xml
@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="Encoding" addBOMForNewFiles="with NO BOM" />
+</project>
\ No newline at end of file
diff --git a/.idea/fizzbuzz-python-tdd-scaffold.iml b/.idea/fizzbuzz-python-tdd-scaffold.iml
new file mode 100644
index 0000000..7c9d48f
--- /dev/null
+++ b/.idea/fizzbuzz-python-tdd-scaffold.iml
@@ -0,0 +1,12 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<module type="PYTHON_MODULE" version="4">
+  <component name="NewModuleRootManager">
+    <content url="file://$MODULE_DIR$" />
+    <orderEntry type="inheritedJdk" />
+    <orderEntry type="sourceFolder" forTests="false" />
+  </component>
+  <component name="TestRunnerService">
+    <option name="projectConfiguration" value="pytest" />
+    <option name="PROJECT_TEST_RUNNER" value="pytest" />
+  </component>
+</module>
\ No newline at end of file
diff --git a/.idea/misc.xml b/.idea/misc.xml
new file mode 100644
index 0000000..8656114
--- /dev/null
+++ b/.idea/misc.xml
@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="JavaScriptSettings">
+    <option name="languageLevel" value="ES6" />
+  </component>
+  <component name="ProjectRootManager" version="2" project-jdk-name="Python 3.7" project-jdk-type="Python SDK" />
+</project>
\ No newline at end of file
diff --git a/.idea/modules.xml b/.idea/modules.xml
new file mode 100644
index 0000000..890fc34
--- /dev/null
+++ b/.idea/modules.xml
@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectModuleManager">
+    <modules>
+      <module fileurl="file://$PROJECT_DIR$/.idea/fizzbuzz-python-tdd-scaffold.iml" filepath="$PROJECT_DIR$/.idea/fizzbuzz-python-tdd-scaffold.iml" />
+    </modules>
+  </component>
+</project>
\ No newline at end of file
diff --git a/.idea/vcs.xml b/.idea/vcs.xml
new file mode 100644
index 0000000..94a25f7
--- /dev/null
+++ b/.idea/vcs.xml
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="VcsDirectoryMappings">
+    <mapping directory="$PROJECT_DIR$" vcs="Git" />
+  </component>
+</project>
\ No newline at end of file
diff --git a/helloword.py b/helloword.py
new file mode 100644
index 0000000..6a44bd0
--- /dev/null
+++ b/helloword.py
@@ -0,0 +1,8 @@
+def fb(n):
+    if n % 15 == 0:
+        return "fizzbuzz"
+    if n % 3 == 0:
+        return "fizz"
+    if n % 5 == 0:
+        return "buzz"
+    return n
diff --git a/helloword_test.py b/helloword_test.py
new file mode 100644
index 0000000..36599c3
--- /dev/null
+++ b/helloword_test.py
@@ -0,0 +1,6 @@
+from helloword import fb
+
+a = [1, 3, 5, 15]
+b = [1, "fizz", "buzz", "fizzbuzz"]
+for i in range(len(a)):
+    assert (fb(a[i]) == b[i])