diff --git a/.python-version b/.python-version
new file mode 100644
index 0000000..e4fba21
--- /dev/null
+++ b/.python-version
@@ -0,0 +1 @@
+3.12
diff --git a/pyproject.toml b/pyproject.toml
new file mode 100644
index 0000000..54eff6b
--- /dev/null
+++ b/pyproject.toml
@@ -0,0 +1,7 @@
+[project]
+name = "math-problems-structure"
+version = "0.1.0"
+description = "Add your description here"
+readme = "README.md"
+requires-python = ">=3.12"
+dependencies = []
diff --git a/src/1-grade/example.png b/src/1-grade/example.png
new file mode 100644
index 0000000..496c859
Binary files /dev/null and b/src/1-grade/example.png differ
diff --git a/src/1-grade/main.py b/src/1-grade/main.py
new file mode 100644
index 0000000..e3a294a
--- /dev/null
+++ b/src/1-grade/main.py
@@ -0,0 +1 @@
+function main():