Merge branch '7-main-menu' into 'main'

Resolve "Main menu"

Closes #7

See merge request njason001/if3250_simulation_28!8

main.py

+# Super Calculator
+
+import addition
+import substraction
+import multiplication
+import division
+import power
+import modulo
+
+x = int(input("Input your first number: "))
+print("Operator: ")
+print("1. Addition")
+print("2. Substraction")
+print("3. Multiplication")
+print("4. Division")
+print("5. Power")
+print("6. Modulo")
+
+o = int(input("Input your operator: "))
+while o<1 or o>6:
+    print("operator invalid")
+    o = int(input("Input your operator: "))
+
+y = int(input("input your second number: "))
+
+print("Result: ", end="")
+
+if (o==1):
+    print(addition.addition(x,y))
+elif (o==2):
+    print(substraction.substraction(x,y))
+elif (o==3):
+    print(multiplication.multiplication(x,y))
+elif (o==4):
+    print(division.division(x,y))
+elif (o==5):
+    print(power.power(x,y))
+elif (o==6):
+    print(modulo.modulo(x,y))