from flask import Flask, render_template
app = Flask(__name__)

@app.route("/")
def iegsist():
        return render_template("base.html")

@app.route("/lists/planes")
def iegsist2():
        planes = ["potato", "chicen", "dog"]
        return render_template("planes.html", planes=planes)
@app.route("/lists/noplanes")
def iegsist3():
        planes = []
        return render_template("planes.html", planes=planes)
app.run()