text: #!/usr/bin/python3
  """Starts Flask web app
  Routes:
      / - display "Hello HBNB!"
      /hbnb - display "HBNB"
      /c/<text> - display "C <text>"
      /python/<text> - display "Python is cool"
      /number/<n> - display n if integer
      /number_template/<n> - display a HTML page if n is int
  """
  from flask import Flask, render_template
  
  app = Flask(__name__)
  
  
  @app.route('/', strict_slashes=False)
  def hbnb_route():
      """prints Hello HBNB"""
      return "Hello HBNB!"
  
  
  @app.route('/hbnb', strict_slashes=False)
  def hbnb():
      """prints HBNB"""
      return "HBNB"
  
  
  @app.route('/c/<string:text>', strict_slashes=False)
  def c_text(text):
      """prints C followed by <text> content"""
      text = text.replace("_", " ")
      return "C %s" % text
  
  
  @app.route('/python', strict_slashes=False)
  @app.route('/python/<string:text>', strict_slashes=False)
  def python_text(text="is cool"):
      """prints Python is cool"""
      text = text.replace("_", " ")
      return "Python %s" % text
  
  
  @app.route('/number/<int:n>', strict_slashes=False)
  def number_n(n):
      """displays n if integer"""
      return "%i is a number" % n
  
  
  @app.route('/number_template/<int:n>', strict_slashes=False)
  def number_template(n):
      """display a HTML page if n is int"""
      return render_template('5-number.html', n=n)
  
  
  if __name__ == "__main__":
      app.run(host="0.0.0.0")
  