import sys
print("Python version:", sys.version)

try:
    import flask
    print("Flask version:", flask.__version__)
    print("Flask imported successfully!")
except ImportError as e:
    print("Flask NOT installed:", e)

# Simple WSGI application for testing
def application(environ, start_response):
    status = '200 OK'
    headers = [('Content-type', 'text/html; charset=utf-8')]
    start_response(status, headers)
    
    try:
        import flask
        app = flask.Flask(__name__)
        
        @app.route('/')
        def hello():
            return "Flask is working! Version: " + flask.__version__
        
        return app(environ, start_response)
    except:
        return [b"Flask installation failed. Check logs for details."]

if __name__ == '__main__':
    application({}, lambda status, headers: None)