def addition added

Author: ADIL8590

test_add.py

@@ -1,4 +1,6 @@
 # sum of numbers
+def addition(a,b):
+    return a+b
 def test_addition_basic(a,b):
     assert addition(2,3)==5
     assert addition(-1,1)==0
@@ -14,3 +16,4 @@ def test_addition_basic(a,b):
 
 
 
+