diff --git a/CONTRIBUTERS.md b/CONTRIBUTERS.md
index c46bbbf..108bfeb 100644
--- a/CONTRIBUTERS.md
+++ b/CONTRIBUTERS.md
@@ -12,3 +12,4 @@ Simran Pattnaik,B420049-maths.java
 Avash Mitra,B120013- dijkstra.cpp
 Sanjyoti Das, B120054 - prog1.c,poem.c
 Kunal Agrawal, B20027 - triangle.c
+Aditi Rout, B120003 - calculator.py
diff --git a/calculator.py b/calculator.py
new file mode 100644
index 0000000..1172794
--- /dev/null
+++ b/calculator.py
@@ -0,0 +1,6 @@
+a=25
+b=40
+p=a+b
+print(p)
+q=a*b
+print(q)