code: def visit_Assign(self, node):
          
          self.generic_visit(node)
          if node.value not in self.fixed_size_list:
              return node
  
          node.value = self.convert(node.value)
          return node
docs: Replace list calls by static_list calls when possible
  
          >>> import gast as ast
          >>> from pythran import passmanager, backend
          >>> node = ast.parse("def foo(n): x = __builtin__.list(n); x[0] = 0; return __builtin__.tuple(x)")
          >>> pm = passmanager.PassManager("test")
          >>> _, node = pm.apply(ListToTuple, node)
          >>> print(pm.dump(backend.Python, node))
          def foo(n):
              x = __builtin__.pythran.static_list(n)
              x[0] = 0
              return __builtin__.tuple(x)
  
          >>> node = ast.parse("def foo(n): x = __builtin__.list(n); x[0] = 0; return x")
          >>> pm = passmanager.PassManager("test")
          >>> _, node = pm.apply(ListToTuple, node)
          >>> print(pm.dump(backend.Python, node))
          def foo(n):
              x = __builtin__.list(n)
              x[0] = 0
              return x