feat: binary to int conversion

main.py

@@ -10,6 +10,9 @@ def data(size:int, max_val: int):
         for i in range(max_val + 1)
     ]
 
+def binatodeci(binary: list[int]):
+    return sum(val*(2**idx) for idx, val in enumerate(reversed(binary)))
+
 def train_network(network: NeuralNetwork, epochs=10000, learning_rate=0.1, 
                   verbose: bool = False, size_data: int = 8, max_val: int = 255):
     
@@ -23,31 +26,35 @@ def train_network(network: NeuralNetwork, epochs=10000, learning_rate=0.1,
             output = network.forward(bits)[0]
             loss = (output - target[0]) ** 2
 
-            print(f"Epoch: {epoch}, Loss: {loss:.6f}")
+            print(f"Epoch: {epoch}, Loss: {loss:.6f} {(loss*100):.6f}%")
 
 def main():
-    size = 8
+    size = 4
     max_val = (1 << size) - 1
+    epoch_size = 6_500
 
-    network = NeuralNetwork([8, 16, 1])
+    network = NeuralNetwork([size, 16, 1])
 
     print("Start training...")
-    train_network(network, verbose=True, size_data=size, epochs=5_000, max_val=max_val)
+    train_network(network, verbose=True, size_data=size, epochs=epoch_size, max_val=max_val)
     print("End training...")
 
     while True:
-        string = input("Enter 8 bit number (ex: 01101001) or 'quit' to close: ") \
+        string = input(f"Enter {size} bit number (ex: {''.join([str(random.randint(0, 1)) for i in range(size)])}) or 'quit' to close: ") \
             .strip().lower()
         
         if (string == 'quit'): break
-        if (len(string) != 8 or any (char not in '01' for char in string)):
-            print("Error: please enter exactly 8 bits (only 0 or 1).") 
+        if (len(string) != size or any (char not in '01' for char in string)):
+            print(f"Error: please enter exactly {size} bits (only 0 or 1).") 
             continue
         
         bits_input = [int(char) for char in string]
         output = network.forward(bits_input)[0] * max_val
 
-        print(f"Estimated value: {output} (approx: {round(output)})\n")
+        print("\n===== Estimated value =====")
+        print(f"{output} (approx: {round(output)})")
+        print("\n===== Real value =====")
+        print(f"{binatodeci(bits_input)}\n")
 
 if __name__ == "__main__":
     main()