renamed random to stuff

python/stuff/capasitor.py

@@ -0,0 +1,40 @@
+"""capasitor."""
+
+
+def calculate_capacitor_capacity(voltage: float, farads: float) -> float:
+    """Calculate capacitor capacity."""
+    joules = (farads * voltage**2) // 2
+    return joules // 3600
+
+
+def calculate_pack_capacity(cells: int, cell_voltage: float, farads: float) -> float:
+    """Calculate pack capacity."""
+    return calculate_capacitor_capacity(cells * cell_voltage, farads / cells)
+
+
+def calculate_pack_capacity2(cells: int, cell_voltage: float, farads: float, cell_cost: float) -> tuple[float, float]:
+    """Calculate pack capacity."""
+    capacitor_capacity = calculate_capacitor_capacity(cells * cell_voltage, farads / cells)
+    return capacitor_capacity, cell_cost * cells
+
+
+def main() -> None:
+    """Main."""
+    watt_hours = calculate_pack_capacity(cells=10, cell_voltage=2.7, farads=500)
+    print(f"{watt_hours=}")
+    print(f"{watt_hours*16=}")
+    watt_hours = calculate_pack_capacity(cells=1, cell_voltage=2.7, farads=5000)
+    print(f"{watt_hours=}")
+
+    watt_hours, cost = calculate_pack_capacity2(
+        cells=10,
+        cell_voltage=2.7,
+        farads=3000,
+        cell_cost=11.60,
+    )
+    print(f"{watt_hours=}")
+    print(f"{cost=}")
+
+
+if __name__ == "__main__":
+    main()