diff --git a/py_error_20190227040253.py b/py_error_20190227040253.py
new file mode 100644
index 0000000..4639e73
--- /dev/null
+++ b/py_error_20190227040253.py
@@ -0,0 +1,46 @@
+#import lxml
+
+class C20190227040253():
+    "This is an example class"
+    a = 10
+    @classmethod
+    def funct(self):
+        print('Hello Example')
+
+# Output: 10
+print(C20190227040253.a)
+
+# Output: <function MyClass.func at 0x0000000003079BF8>
+print(C20190227040253.func)
+
+# Output: 'This is my second class'
+print(C20190227040253.__doc__)
+
+# Code Injection
+def GET(self):
+    get_input = web.input()
+    param1 = get_input['param1'] if 'param1' in get_input else None
+    if (param1):
+        x = ast.literal_eval(param1)
+    return "I'm not vulnerable"+x
+
+# CWE-759
+def storePassword(userName,Password):
+    hasher = hashlib.new('md5')
+    hasher.update(Password)
+    hashedPassword = hasher.digest()
+
+    # UpdateUserLogin returns True on success, False otherwise
+    return updateUserLogin(userName,hashedPassword)
+
+def calc(number,times):
+    print("Sum =", a+b)
+    #no need for exec
+    for x in range(0, 3):
+        print("We're on time %d" % (x))
+        y = 1
+        while True:
+            if(y%2 ==0):
+                print("To infinity and beyond! We're getting close, on %d now!" % (y))
+            y += 1
+    return number*times
\ No newline at end of file
diff --git a/py_unittest_20190227040253.py b/py_unittest_20190227040253.py
new file mode 100644
index 0000000..d0e55b2
--- /dev/null
+++ b/py_unittest_20190227040253.py
@@ -0,0 +1,15 @@
+from django.test import TestCase
+
+
+from py_error_20190227040253 import C20190227040253
+
+class TestModel01(TestCase):
+
+    def test_01(self):
+        x = C20190227040253()
+        self.assertIs(x.a,10)
+
+
+    def test_02(self):
+        x = C20190227040253()
+        self.assertIs(x.calc(7,3),21)
\ No newline at end of file
diff --git a/py_xss_20190227040253.py b/py_xss_20190227040253.py
new file mode 100644
index 0000000..83b98c4
--- /dev/null
+++ b/py_xss_20190227040253.py
@@ -0,0 +1,11 @@
+from flask import Flask, request, make_response, escape
+
+app = Flask(__name__)
+@app.route('/unsafe')
+def unsafe():
+	first_name = request.args.get('name', '')
+	return make_response("Your name is " + first_name)
+@app.route('/safe')
+def safe():
+	first_name = request.args.get('name', '')
+	return make_response("Your name is " + escape(first_name))
\ No newline at end of file
diff --git a/static/js/js_error_20190227040253.js b/static/js/js_error_20190227040253.js
new file mode 100644
index 0000000..ac1f616
--- /dev/null
+++ b/static/js/js_error_20190227040253.js
@@ -0,0 +1,10 @@
+function hello() {
+    let a = "dummy"
+    return "Hello";
+}
+
+function world() {
+    password a = "dummy"
+    let b = "line"
+    return "World";
+}
\ No newline at end of file