app.py

from flask import Flask
app = Flask(__name__)
import os
import math
basename = '/iotcloud'

# app.debug = True ( for any debug error for True that line ) 
      
# @app.route 
      # 1.To Searching route ex:[172.30.0.231:7000/hello] to view your flask project.
@app.route('/hello')
def hello_world():
   return "<h1>Hello World 123<h1/>"

@app.route('/')
def hello():
   return "<h1>Hello Justin Welcome<h1/>"

@app.route('/whoami')
def whoami():
   return "<h1>"+os.popen('whoami').read()+"<h1/>"

# whoami:
   # Lhis Linux Command To Return This System Username For Example [ justinmass2001 ].

@app.route(basename+'/cpuinfo')
def cpuinfo():
    return "<pre>" "<h3>"+ os.popen('cat /proc/cpuinfo').read() +"<pre/>" "<h3/>"
'''
       <pre> and cat /proc/cpuinfo:
            1. <pre> = This HTML Tag Which Terminal output You Can Inset to Same output to display
                Not Using <pre> output result:
                     processor : 1 vendor_id : GenuineIntel cpu family : 6 model : 183

                Example Result using <pre> output:
                     processor	 : 1
                     vendor_id	 : GenuineIntel
                     cpu family : 6
                     model		 : 183
            2. cat /proc/cpuinfo = This is Linux Command For CPU Full Informations.
'''
@app.route(basename+'/echo', methods = ['GET','POST'])
def echo_help():
   return '<h1>'+"Please use as /echo/some string"+'</h1>'

@app.route(basename+'/echo/<string>')     
      # echo:
         # echo = your any input type to same return output this echo 
            # Example:[172.30.0.231:7000/iotcloud/echo/justin] output result justin.

def echo(string):
   return "You said: {}".format(string) 
# app.add_url_rule (Basename+'/whoami','whoami',whoami)
# app.add_url_rule (Basename+'/cpuinfo','cpuinfo',cpuinfo)

@app.route(basename+'/pow/<int:a>/<int:b>')
def power ( a , b ):
   try:
      return "pow of {}, {}: {}".format ( a , b ,math.pow( a , b ))
   except:
      return "This is too much"
# <int:a> /<int:b>:
         # int = integer value.
         # search browser 172.30.0.231:7000/iotcloud/pow/(integer valu)10/30.
         # try = error handling any error to return except command. 

if __name__ == '__main__':
   app.run(host = '0.0.0.0' , port = '7000' , debug = True )
      # host = '0.0.0.0': 
            # your access all type of IP address to add [host = '0.0.0.0'] Running on all IP addresses