Add application files

app.py

@@ -75,6 +75,7 @@ def greet(name1, name2):
     # Generate a DataFrame with 50 rows and 2 columns filled with random numbers
     num_rows = 50
     num_cols = 2
+    import numpy as np
     data = np.random.rand(num_rows, num_cols)
 
     # Create a DataFrame