Create linearsearch.py

linearsearch.py

@@ -0,0 +1,18 @@
+def linear_Search(list1, n, key):  
+  
+    # Searching list1 sequentially  
+    for i in range(0, n):  
+        if (list1[i] == key):  
+            return i  
+    return -1  
+  
+  
+list1 = [1 ,3, 5, 4, 7, 9]  
+key = 7  
+  
+n = len(list1)  
+res = linear_Search(list1, n, key)  
+if(res == -1):  
+    print("Element not found")  
+else:  
+    print("Element found at index: ", res)