diff --git a/contributions/simple_calculator_python/calculator.py b/contributions/simple_calculator_python/calculator.py
new file mode 100644
index 0000000..8d8bb88
--- /dev/null
+++ b/contributions/simple_calculator_python/calculator.py
@@ -0,0 +1,45 @@
+def add(x, y):
+    return x + y
+
+def subtract(x, y):
+    return x - y
+
+def multiply(x, y):
+    return x * y
+
+def divide(x, y):
+    return x / y
+
+
+print("Select operation.")
+print("1.Add")
+print("2.Subtract")
+print("3.Multiply")
+print("4.Divide")
+
+while True:
+    choice = input("Enter choice(1/2/3/4): ")
+
+    if choice in ('1', '2', '3', '4'):
+        num1 = float(input("Enter first number: "))
+        num2 = float(input("Enter second number: "))
+
+        if choice == '1':
+            print(num1, "+", num2, "=", add(num1, num2))
+
+        elif choice == '2':
+            print(num1, "-", num2, "=", subtract(num1, num2))
+
+        elif choice == '3':
+            print(num1, "*", num2, "=", multiply(num1, num2))
+
+        elif choice == '4':
+            print(num1, "/", num2, "=", divide(num1, num2))
+
+
+        next_calculation = input("Let's do next calculation? (yes/no): ")
+        if next_calculation == "no":
+          break
+
+    else:
+        print("Invalid Input") 
diff --git a/resources/contributors.json b/resources/contributors.json
index 9f9148a..77ad648 100644
--- a/resources/contributors.json
+++ b/resources/contributors.json
@@ -611,6 +611,15 @@
       "short_description": "A React App that displays cards with pokemon data fetched from a pokeapi",
       "page_url": "https://contribute.devincept.com/Hacktoberfest-Contribution/contributions/pokemon_app/",
       "folder_url": "https://github.com/Learn-Write-Repeat/Hacktoberfest-Contribution/tree/master/contributions/pokemon_app/"
+    },
+    {
+      "name": "Ibad Mukrom",
+      "github_username": "IbadMukrom",
+      "image_url": "https://avatars.githubusercontent.com/u/11093787?s=40&v=4",
+      "title": "Calculator App",
+      "short_description": "simple calculator code in python",
+      "page_url": "https://contribute.devincept.com/Hacktoberfest-Contribution/contributions/simple_calculator_python/",
+      "folder_url": "https://github.com/Learn-Write-Repeat/Hacktoberfest-Contribution/tree/master/contributions/simple_calculator_python/"
     }
   ]
 }