Update FIND FACTORIAL OF A NUMBER.py

Author: Piombacciaio

FIND FACTORIAL OF A NUMBER.py

@@ -3,7 +3,7 @@
 def factorial(n):
    if n < 0:
       return("Oops!Factorial Not Possible")
-   elif n = 0:
+elif n == 0:
       return 1
    else:
       return n*factorial(n-1)