DOC: Add multi-axis examples to numpy.roll docstring (numpy#20267)

Added exampled where we use tuple in for axis and shifts separately. This shows how the  multiple shift examples works

Co-authored-by: Ross Barnowski <[email protected]>

Author: vinith2

numpy/core/numeric.py

@@ -1184,7 +1184,7 @@ def roll(a, shift, axis=None):
     >>> np.roll(x, -2)
     array([2, 3, 4, 5, 6, 7, 8, 9, 0, 1])
 
-    >>> x2 = np.reshape(x, (2,5))
+    >>> x2 = np.reshape(x, (2, 5))
     >>> x2
     array([[0, 1, 2, 3, 4],
            [5, 6, 7, 8, 9]])
@@ -1206,6 +1206,12 @@ def roll(a, shift, axis=None):
     >>> np.roll(x2, -1, axis=1)
     array([[1, 2, 3, 4, 0],
            [6, 7, 8, 9, 5]])
+    >>> np.roll(x2, (1, 1), axis=(1, 0))
+    array([[9, 5, 6, 7, 8],
+           [4, 0, 1, 2, 3]])
+    >>> np.roll(x2, (2, 1), axis=(1, 0))
+    array([[8, 9, 5, 6, 7],
+           [3, 4, 0, 1, 2]])
 
     """
     a = asanyarray(a)