diff --git a/calculator.py b/calculator.py
new file mode 100644
index 00000000..6f0f018c
--- /dev/null
+++ b/calculator.py
@@ -0,0 +1,59 @@
+num1=int(input("eneter a digit"))
+num2=int(input("eneter a another digit"))
+# defination for operators
+
+#addition
+def add(num1, num2):
+    return num1+num2
+#substraction
+def subtract(num1, num2):
+    return num1-num2
+#multiply
+def multiply(num1, num2):
+    return num1*num2
+#division
+def divide(num1, num2):
+    return num1/num2
+
+#command for operation
+print("choose operation")
+print("press 1 for add")
+print("press 2 for subs")
+print("press 3 for multiply")
+print("press 4 for devision")
+
+
+
+
+
+while True:
+    # take input from the user
+    choice = input("Enter choice(1/2/3/4): ")
+
+    if choice in ('1', '2', '3', '4'):
+
+        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))
+        # check if user wants another calculation
+        # break the while loop if answer is no
+        next_calculation = input("Let's do next calculation? (yes/no): ")
+        if next_calculation == "no":
+            break
+
+    else:
+        print("Invalid Input")