Hello World

from flask import Flask
app = Flask(__name__)

@app.route("/")
def urlTriggerThis():
    return "<h1>hello world</h1>"

app.run(host= '0.0.0.0')

Heads Tails (web based)

from flask import Flask
app = Flask(__name__)
import random

@app.route("/")
def urlTriggerThis():
    tempNum = random.randint(1, 2)
    coinFace = flipCoinFunc(tempNum)
    markup = "<h1>"+coinFace+"</h1>"
    return markup

def flipCoinFunc(x):
    if(x==1):
        return "heads"
    else:
        return "tails"

app.run(host='0.0.0.0', port=5000)

Challenges

to refresh your python knowledge:

1. change the coin flip app (above) to a dice roll
2. say ready to takeoff, then use a loop to count down from 10 to 1, then say blastoff   help

   from flask import Flask
   app = Flask(__name__)
   
   @app.route("/")
   def go():
       markup = "ready to takeoff<br>"
       count = 10
       while (count >= 1):
           markup = markup + str(count) + "<br>"
           count = count - 1
       markup = markup + "blastoff"
       return markup
   
   app.run(host="0.0.0.0", port=5000, debug=True)

3. create the following pattern resembling a 10-pin bowling lane in the most efficient way possible:

   *
   * *
   * * *
   * * * *

4. define a function processArray() that processes a list of 4 elements and writes them to the screen in reverse order   help

   from flask import Flask
   app = Flask(__name__)
   
   myarray = [1,3,3,7]
   markup = ""
   
   @app.route("/")
   def go():
       processArray()
       return markup
   
   def processArray():
       global markup
       markup = ""
       for stuff in reversed(myarray):
           markup = markup + "value: " + str(stuff) + "<br>"
   
   app.run(host="0.0.0.0", port=5000, debug=True)

5. challenge: currency value to text: Write a program that converts any integer or floating point value to a currency string, e.g. 4 = “four dollars”