trying to give it more options to perform the task

app.py

@@ -23,7 +23,7 @@ def basic_calculator(num1:float, num2:float, act:str)-> float: #it's import to s
         if act == '+' or act == 'add' or act == 'append' or act == 'plus':
             answer = num1 + num2
             action = '+'
-        elif act == '-' or act == 'minus' or act == 'sub' or act == 'subtract':
+        elif act == '-' or act == 'minus' or act == 'sub' or act == 'subtract' or act == 'substract':
             answer = num1 - num2
             action = '-'
         elif act == '*' or act == 'mul' or act == 'multiply' or 'times':
@@ -32,7 +32,7 @@ def basic_calculator(num1:float, num2:float, act:str)-> float: #it's import to s
         elif act == '/' or act == 'div' or act == 'divide':
             answer = num1 / num2
             action = '/'
-        elif act == '^' or act == 'power' or act == 'exponentiation':
+        elif act == '^' or act == 'power' or act == 'exponentiation' or act = 'pow':
             answer = pow(num1,num2)
             action = '^'
         else: