--- a/src/ast_convert.rs
+++ b/src/ast_convert.rs
@@ -1,4 +1,4 @@
-use python_ast::{Module, Statement, Expr, BinOp};
+use python_ast::{Module, Statement, Expr, BinOp, UnaryOp};
 
 use cpython::{Python, PyObject};
 use cpython::ObjectProtocol; //for call method
@@ -36,6 +36,31 @@ fn parse_expr_vec(py: Python, ast: PyObj
     }
 }
 
+fn parse_unaryop(py: Python, ast: PyObject) -> UnaryOp {
+    let builtins_module = py.import("builtins").unwrap();
+    let isinstance = builtins_module.get(py, "isinstance").unwrap();
+
+    let is_instance = |object: &PyObject, type_: &PyObject| {
+        return isinstance.call(py, (object, type_), None).unwrap().is_true(py).unwrap();
+    };
+
+    let ast_module = py.import("ast").unwrap();
+    let ast_type = ast_module.get(py, "AST").unwrap();
+    let uadd_type = ast_module.get(py, "UAdd").unwrap();
+    let usub_type = ast_module.get(py, "USub").unwrap();
+
+    assert!(is_instance(&ast, &ast_type));
+
+    if is_instance(&ast, &uadd_type) {
+        UnaryOp::UAdd
+    } else if is_instance(&ast, &usub_type) {
+        UnaryOp::USub
+    } else {
+        println!("UnaryOp {}", ast);
+        UnaryOp::Error
+    }
+}
+
 fn parse_binop(py: Python, ast: PyObject) -> BinOp {
     let builtins_module = py.import("builtins").unwrap();
     let isinstance = builtins_module.get(py, "isinstance").unwrap();
@@ -50,6 +75,8 @@ fn parse_binop(py: Python, ast: PyObject
     let mult_type = ast_module.get(py, "Mult").unwrap();
     let eq_type = ast_module.get(py, "Eq").unwrap();
     let lt_type = ast_module.get(py, "Lt").unwrap();
+    let sub_type = ast_module.get(py, "Sub").unwrap();
+    let div_type = ast_module.get(py, "Div").unwrap();
 
     assert!(is_instance(&ast, &ast_type));
 
@@ -61,6 +88,10 @@ fn parse_binop(py: Python, ast: PyObject
         BinOp::BinEq
     } else if is_instance(&ast, &lt_type) {
         BinOp::BinLt
+    } else if is_instance(&ast, &sub_type) {
+        BinOp::Sub
+    } else if is_instance(&ast, &div_type) {
+        BinOp::Div
     } else {
         println!("BinOp {}", ast);
         BinOp::Error
@@ -78,6 +109,7 @@ fn parse_expr(py: Python, ast: PyObject)
     let ast_module = py.import("ast").unwrap();
     let ast_type = ast_module.get(py, "AST").unwrap();
     let arg_type = ast_module.get(py, "arg").unwrap();
+    let unary_op_type = ast_module.get(py, "UnaryOp").unwrap();
     let bin_op_type = ast_module.get(py, "BinOp").unwrap();
     let name_constant_type = ast_module.get(py, "NameConstant").unwrap();
     let attribute_type = ast_module.get(py, "Attribute").unwrap();
@@ -118,6 +150,14 @@ fn parse_expr(py: Python, ast: PyObject)
         let s = ast.getattr(py, "s").unwrap();
         let s = get_str(py, s);
         Expr::Str(s)
+    } else if is_instance(&ast, &unary_op_type) {
+        let op = ast.getattr(py, "op").unwrap();
+        let operand = ast.getattr(py, "operand").unwrap();
+
+        let op = parse_unaryop(py, op);
+        let operand = parse_expr(py, operand);
+
+        Expr::UnaryOp(op, Box::new(operand))
     } else if is_instance(&ast, &bin_op_type) {
         let left = ast.getattr(py, "left").unwrap();
         let op = ast.getattr(py, "op").unwrap();
@@ -204,6 +244,7 @@ fn parse_statement(py: Python, ast: PyOb
     let return_type = ast_module.get(py, "Return").unwrap();
     let import_from_type = ast_module.get(py, "ImportFrom").unwrap();
     let if_type = ast_module.get(py, "If").unwrap();
+    let for_type = ast_module.get(py, "For").unwrap();
     let expr_type = ast_module.get(py, "Expr").unwrap();
 
     assert!(is_instance(&ast, &ast_type));
@@ -301,6 +342,30 @@ fn parse_statement(py: Python, ast: PyOb
         }
 
         Statement::If(test, statements, orelse_)
+    } else if is_instance(&ast, &for_type) {
+        let target = ast.getattr(py, "target").unwrap();
+        let iter = ast.getattr(py, "iter").unwrap();
+        let body = ast.getattr(py, "body").unwrap();
+        let orelse = ast.getattr(py, "orelse").unwrap();
+
+        let target = parse_expr(py, target);
+        let iter = parse_expr(py, iter);
+
+        let mut statements = vec!();
+        for statement in body.iter(py).unwrap() {
+            let statement = statement.unwrap();
+            let statement = parse_statement(py, statement);
+            statements.push(statement);
+        }
+
+        let mut orelse_ = vec!();
+        for statement in orelse.iter(py).unwrap() {
+            let statement = statement.unwrap();
+            let statement = parse_statement(py, statement);
+            orelse_.push(statement);
+        }
+
+        Statement::For(target, iter, statements, orelse_)
     } else if is_instance(&ast, &assign_type) {
         let targets = ast.getattr(py, "targets").unwrap();
         let value = ast.getattr(py, "value").unwrap();