import re

class Derivative:
    """docstring for Derivative"""
    def __init__(self, param):
        self.input = param

    def __validator(self, asd):
        pass

    def __check_for_var(self, polynom):
        f = re.compile('[/d]+')
        f.findall(polynom)
        

@@ -144,15 +144,51 @@
 self
-, asd):
+):%0A        print(%22not sure what to do now%22)
 %0A   

add some logic