added selection sort in sorting techniques in /python/sorting-techniques

Author: ghubrakesh

Python/Sorting-Techniques/selection_sort.py

@@ -0,0 +1,24 @@
+# Selection sort in Python
+
+# time complexity O(n^2)
+
+#sorting by finding min_index
+
+#CODE = 
+def selectionSort(array, size):
+    
+    for ind in range(size):
+        min_index = ind
+ 
+        for j in range(ind + 1, size):
+            # select the minimum element in every iteration
+            if array[j] < array[min_index]:
+                min_index = j
+         # swapping the elements to sort the array
+        (array[ind], array[min_index]) = (array[min_index], array[ind])
+ 
+arr = [-2, 45, 0, 11, -9,88,-97,-202,747]
+size = len(arr)
+selectionSort(arr, size)
+print('The array after sorting in Ascending Order by selection sort is:')
+print(arr)