erster stand :)

.gitignore

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+.venv/
+__pycache__/
+.env

.idea/.gitignore

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+# Default ignored files
+/shelf/
+/workspace.xml
+# Editor-based HTTP Client requests
+/httpRequests/

.idea/MatrixMania.iml

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+<?xml version="1.0" encoding="UTF-8"?>
+<module type="PYTHON_MODULE" version="4">
+  <component name="NewModuleRootManager">
+    <content url="file://$MODULE_DIR$">
+      <excludeFolder url="file://$MODULE_DIR$/.venv" />
+    </content>
+    <orderEntry type="jdk" jdkName="Python 3.13 (MatrixMania)" jdkType="Python SDK" />
+    <orderEntry type="sourceFolder" forTests="false" />
+  </component>
+</module>

.idea/inspectionProfiles/Project_Default.xml

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+<component name="InspectionProjectProfileManager">
+  <profile version="1.0">
+    <option name="myName" value="Project Default" />
+    <inspection_tool class="PyUnresolvedReferencesInspection" enabled="true" level="WARNING" enabled_by_default="true">
+      <option name="ignoredIdentifiers">
+        <list>
+          <option value="turtle.Turtle.draw_circle_fragment" />
+        </list>
+      </option>
+    </inspection_tool>
+  </profile>
+</component>

.idea/inspectionProfiles/profiles_settings.xml

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+<component name="InspectionProjectProfileManager">
+  <settings>
+    <option name="USE_PROJECT_PROFILE" value="false" />
+    <version value="1.0" />
+  </settings>
+</component>

.idea/misc.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="Black">
+    <option name="sdkName" value="Python 3.13 (MatrixMania)" />
+  </component>
+  <component name="ProjectRootManager" version="2" project-jdk-name="Python 3.13 (MatrixMania)" project-jdk-type="Python SDK" />
+</project>

.idea/modules.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectModuleManager">
+    <modules>
+      <module fileurl="file://$PROJECT_DIR$/.idea/MatrixMania.iml" filepath="$PROJECT_DIR$/.idea/MatrixMania.iml" />
+    </modules>
+  </component>
+</project>

.idea/vcs.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="VcsDirectoryMappings">
+    <mapping directory="$PROJECT_DIR$" vcs="Git" />
+  </component>
+</project>

AGENTS.md

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+# Regeln für dieses Projekt
+- I don't like you please dni

compute.py

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+"""Compute module providing matrix multiplication functionality.
+
+This module defines a single public function :func:`matmul`, which performs
+standard matrix multiplication for two 2‑D lists.
+
+The function explicitly checks that the number of columns of the first matrix
+matches the number of rows of the second matrix.  If they are mismatched the
+function prints ``"Matrices not compatible :("`` and returns an empty list.
+
+All variables are named distinctly to aid readability and to avoid
+conflicts.
+"""
+
+
+
+__all__: list[str] = ["matmul", "transpose"]
+
+import math
+
+
+def matmul(
+    matrix_a: list[list[float]],
+    matrix_b: list[list[float]],
+) -> list[list[float]]:
+    """Return the product of two matrices.
+
+    Parameters
+    ----------
+    matrix_a: list[list[float]]
+        The left‑hand operand, a 2‑D list where each inner list represents a row.
+    matrix_b: list[list[float]]
+        The right‑hand operand, also a 2‑D list.
+
+    Returns
+    -------
+    list[list[float]]
+        The resulting matrix as a 2‑D list.  If the matrices cannot be
+        multiplied due to incompatible dimensions, an empty list is returned.
+
+    Examples
+    --------
+    # >>> matmul([[1, 2], [3, 4]], [[5, 6], [7, 8]])
+    [[19.0, 22.0], [43.0, 50.0]]
+    """
+
+    if not matrix_a or not matrix_b:
+        print("Matrices not compatible :(")
+        return []
+
+    rows_a: int = len(matrix_a)
+    cols_a: int = len(matrix_a[0])
+    rows_b: int = len(matrix_b)
+    cols_b: int = len(matrix_b[0])
+
+    if cols_a != rows_b:
+        print("Matrices not compatible :(")
+        return []
+
+    # Initialise result matrix with zeros
+    result: list[list[float]] = [[0.0 for _ in range(cols_b)] for _ in range(rows_a)]
+
+    for i in range(rows_a):
+        for j in range(cols_b):
+            sum_val: float = 0.0
+            for k in range(cols_a):
+                sum_val += matrix_a[i][k] * matrix_b[k][j]
+            result[i][j] = sum_val
+
+    return result
+
+
+
+
+
+
+
+def get_rotate(matrix: list[list[float]], angle:int) -> list[list[float]]:
+    """Apply a rotation matrix to a base matrix.
+
+    Parameters
+    ----------
+    matrix: list[list[float]]
+        The matrix to be rotated.
+    angle: int
+        The angle to be rotated.
+
+    Returns
+    -------
+    list[list[float]]
+        Result of *matrix* rotated by *angle*.
+    """
+
+    rows: int = len(matrix)
+    cols: int = len(matrix[0])
+    if cols != 1:
+        print("Can't rotate this matrix! Wrong amount of columns!")
+        return [[0, 0],[0, 0]]
+    if rows == 2:
+        return [[math.cos(angle), -math.sin(angle)], [math.sin(angle), math.cos(angle)]]
+    else:
+        print("Can't rotate this matrix! Wrong amount of rows!")
+        return [[0, 0],[0, 0]]
+    return matmul(rotate_matrix, matrix)
+
+
+def transpose(matrix: list[list[float]]) -> list[list[float]]:
+    """Return the transpose of a 2‑D list.
+
+    Parameters
+    ----------
+    matrix: list[list[float]]
+        The matrix to transpose.
+
+    Returns
+    -------
+    list[list[float]]
+        Transposed matrix.
+    """
+    if not matrix:
+        return []
+    rows = len(matrix)
+    cols = len(matrix[0])
+    result: list[list[float]] = [[None for _ in range(rows)] for _ in range(cols)]
+    for i in range(rows):
+        for j in range(cols):
+            result[j][i] = matrix[i][j]
+    return result
+
+
+
+if __name__ == "__main__":
+    print(matmul([[1, 2], [3, 4]], [[5, 6], [7, 8]]))
+    print(transpose([[1, 2], [3, 4]]))
+    print(len([[1],[0]]))

pyproject.toml

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+[project]
+name = "matrixmania"
+version = "0.1.0"