basic znt comaprison have same scale for graphs

benchmark.py

@@ -43,6 +43,7 @@ class Benchmark:
         
         plt.figure(1)
         ax1 = plt.subplot(3,1,1)
+        ax1.set_ylim(70, 80)
         data[start:end].plot(kind='line', y=truth_col, ax=ax1, label="Ground Truth")
         
         for model in models:
@@ -89,6 +90,7 @@ class Benchmark:
                 
         ax1 = plt.subplot(3,1,1)
         ax2 = ax1.twinx()
+        ax2.set_ylim(0, 1000)
         data[start:end].plot(kind='line', y='safsp', ax=ax2, label='safsp', color='black')
         ax1.legend(loc='upper center')
         ax2.legend(loc='upper right')