fix testcases

src/test/data/pa3/benchmarks/exp.py

@@ -9,7 +9,6 @@ def exp(x: int, y: int) -> int:
 			return geta()
 		else:
 			a = a * x
-			print(a)
 			return f(i-1)
 	a = 1
 	return f(y)
@@ -23,4 +22,4 @@ i:int = 0
 # Crunch
 while i <= n:
 	print(exp(2, i % 31))
-	i = i + 1
+	i = i + 1
\ No newline at end of file

src/test/data/pa3/sample/object_method_none.py

@@ -12,7 +12,6 @@ class B(A):
 
     def bar(self:"B") -> int:
         a:A = None
-        print(a)
         return a.foo(self.b)
 
 print(B().bar())

src/test/data/pa3/sample/stmt_for_list_nested.py

@@ -3,6 +3,7 @@ y:int = 0
 z:[int] = None
 
 z = [1, 2, 3]
+
 for x in z:
     for y in z:
         print(x * y)