new file: calc_main.py

calc_main.py

@@ -0,0 +1,64 @@
+import math
+while True:
+    print("MENU")
+    print("1 for addition :")
+    print("2 for subtraction :")
+    print('3 for multiplication :')
+    print("4 for raise to power:")
+    print("5 for Division:")
+    print("6 for floor division:")
+    print("7 for factorial:")
+    choice=int(input("enter any choice:"))
+    def additon():
+        a=int(input("enter 1st no to perform addition:"))         #a-first input
+        b=int(input("enter 2nd no to perform addition:"))          #b-second input
+        c=a+b
+        print("sum is:",c)
+        return
+    def subtract():
+        a = int(input("enter 1st no to perform subtraction:"))
+        b = int(input("enter 2nd no to perform subtraction:"))
+        c = a - b
+        print("subtraction is:", c)
+        return
+    def multiplication():
+        a = int(input("enter 1st no to perform multipication:"))
+        b = int(input("enter 2nd no to perform multiplication:"))
+        c = a*b
+        print("multiplication is:", c)
+        return
+    def power():
+        a = int(input("enter base :"))
+        b = int(input("enter power :"))
+        c = a**b
+        print("division is:", c)
+        return
+
+    def divide():
+        a = int(input("enter 1st no to perform division:"))
+        b = int(input("enter 2nd no to perform division:"))
+        c = a/b
+        print("division is:", c)
+        return
+    def floor_division():
+
+
+    def factorial():
+
+    if choice==1:
+        additon()
+    elif choice==2:
+        subtract()
+    elif choice==3:
+        multiplication()
+    elif choice==4:
+        power()
+    elif choice==5:
+        divide()
+    elif choice==6:
+        floor_division()
+    elif choice==7:
+        factorial()
+    else:
+        print("wrong input")
+        exit(0)