Update tab/tab6_noise_simulation.py

tab/tab6_noise_simulation.py

@@ -42,14 +42,14 @@ def compare_original_vs_noisy(key_str):
 
     # ---------------- First plot: Original Key (all green) ----------------
     axs[0].bar(x, heights, color='green', edgecolor='black', linewidth=0.2)
-    axs[0].set_title("✅ Before Noise: Original QKD Key", fontsize=11)
+    axs[0].set_title("Before Noise: Original QKD Key", fontsize=11)
     axs[0].set_yticks([])
     axs[0].set_ylabel("Bit")
 
     # ---------------- Second plot: Noisy Key (red where flipped, green where same) ----------------
     colors = ['red' if i in flipped_indices else 'green' for i in range(total_bits)]
     axs[1].bar(x, heights, color=colors, edgecolor='black', linewidth=0.2)
-    axs[1].set_title("❌ After Noise: Key with Eavesdropper Flips", fontsize=11)
+    axs[1].set_title("After Noise: Key with Eavesdropper Flips", fontsize=11)
     axs[1].set_xlabel("Bit Index")
     axs[1].set_yticks([])
     axs[1].set_ylabel("Bit")