Update readme.md

Pankajcoder1 · web-flow · commit aac57dc466e4 · 2020-03-14T07:35:13.000+05:30
diff --git a/searching/readme.md b/searching/readme.md
@@ -1 +1,8 @@
 #### Conatin Linear,Binary and Interpolation searching algorithum.
+> And a class file which conatin all these as a method in a class to use by just importing this file in this manner     #include"searching_class.h" and calling the method.
+### About method of class (argument)
+> You have to pass three argument in any of these three method
+  1.address of array
+  2.size of array
+  3.element that you want to search
+ and that method will return the position of that element.in case of absence of element, it return -1.
