From f491aa86355a04e9a69992ecf449c0e9d7547dab Mon Sep 17 00:00:00 2001
From: D-2n <114923905+D-2n@users.noreply.github.com>
Date: Fri, 20 Dec 2024 20:20:45 +0100
Subject: [PATCH] Update numpy_questions.py

---
 numpy_questions.py | 11 ++++++-----
 1 file changed, 6 insertions(+), 5 deletions(-)

diff --git a/numpy_questions.py b/numpy_questions.py
index 07a10c1..be798c3 100644
--- a/numpy_questions.py
+++ b/numpy_questions.py
@@ -39,9 +39,7 @@ def max_index(X):
     """
     i = 0
     j = 0
-
-    # TODO
-
+    i, j = np.unravel_index(np.argmax(X), X.shape)
     return i, j
 
 
@@ -63,5 +61,8 @@ def wallis_product(n_terms):
         The approximation of order `n_terms` of pi using the Wallis product.
     """
     # XXX : The n_terms is an int that corresponds to the number of
-    # terms in the product. For example 10000.
-    return 0.
+    # terms in the product. For example 10000.\
+    pi = 1
+    for i in range(1, n_terms+1):
+        pi *= (4*i**2)/(4*i**2-1)
+    return pi * 2