added the output of the verify installation

adarsh1001111 · adarsh1001111 · commit 8f5cebaea068 · 2024-05-12T19:28:04.000+05:30
diff --git a/contrib/plotting-visualization/matplotlib_installation.md b/contrib/plotting-visualization/matplotlib_installation.md
@@ -23,3 +23,9 @@ print(matplotlib.__version__)
 
 
 ```
+
+Output:
+
+```
+3.4.3
+```

-Original file line number
+Diff line change
 ```
++
 +Output:
++
 +```
 +3.4.3
 +```