Please draw the UML of this code and explain each line and don't use the AIis python : from abc import ABC, abstractmethod

from openfoodfacts import openfoodfacts

import spoonacular as sp

import requests

class Command$($ABC$)$:

def $\_\_$init$\_\_($self$,$ receiver$)$:

self.receiver $=$ receiver

@abstractmethod

def execute$($self$)$:

pass

class FoodFactCommand$($Command$)$:

def $\_\_$init$\_\_($self$,$ receiver, barcode$)$:

self.barcode $=$ barcode

super$().\_\_$init$\_\_($receiver$)$

def execute$($self$)$:

return self.receiver.foodfacts$($self$.$barcode$)$

class RecipeCommand$($Command$)$:

def $\_\_$init$\_\_($self$,$ receiver, food, ingredient$)$:

self.food $=$ food

self.ingredient $=$ ingredient

super$().\_\_$init$\_\_($receiver$)$

def execute$($self$)$:

return self.receiver.recipe$($self$.$food, self.ingredient$)$

class FoodFactReceiver:

def foodfacts$($self$,$ barcode$)$:

product $=$ openfoodfacts.products.get$\_$product$($barcode$)$

name $=$ product$["$product$"]["$product$\_$name"$]$

calories $=$ product$["$product$"]["$nutriments$"]["$energy$-$kcal$\_$serving"$]$

serving$\_$size $=$ product$["$product$"]["$serving$\_$quantity"$]$

result $=$ "Name: $"+$ name $+"$

$"$

result $=$ result $+$ "Calories: $"+$ str$($calories$)+"$

$"$

result $=$ result $+$ "Serving size: $"+$ str$($serving$\_$size$)+"$g

$"$

return result

class RecipeReceiver:

def recipe$($self$,$ food, ingredient$)$:

api $=$ sp$.$API$("6$b$15$facd$54$b$34$b$15$b$34$b$82$f$71$a$8$ef$815")$

response $=$ api.search$\_$recipes$\_$complex$($query$=$food,

includeIngredients$=$ingredient$)$

response$\_$dict $=$ response.json$()$

title $=$ response$\_$dict$["$results$"][0]["$title$"]$

image $=$ response$\_$dict$["$results$"][0]["$image$"]$

result $=$ "Name: $"+$ title $+"$

$"$

result $=$ result $+$ "Image: $"+$ image $+"$

$"$

return result

class Invoker:

def $\_\_$init$\_\_($self$)$:

self.commands $=[]$

def add$\_$command$($self$,$ command$)$:

self.commands.append$($command$)$

def execute$\_$commands$($self$)$:

report $=""$

i $=1$

total $=$ len$($self$.$commands$)$

for command in self.commands:

command$\_$output $=$ command.execute$()$

report $=$ report $+$ command$\_$output

# output progress to the user

percentage $=$ round$(($i $/$ total$)*100,2)$

formatted$\_$percentage $="\{$:$\mathrm{.}2$f$\}".$format$($percentage$)$

print$($str$($i$)+"$ of $"+$ str$($total$)+"$ commands executed $["+\backslash$

formatted$\_$percentage $+"\%$ complete$]")$

i $=$ i $+1$

return report

def load$\_$commands$($command$\_$list,invoker$)$:

foodfact$\_$receiver $=$ FoodFactReceiver$()$

recipe$\_$receiver $=$ RecipeReceiver$()$

for command in command$\_$list:

split$\_$command $=$ command.split$("(")$

name $=$ split$\_$command$[0]$

args $=($split$\_$command$[1].$split$(")")[0]).$split$(",")$

if $($name $==$ "FoodFact"$)$:

foodfact$\_$command $=$ FoodFactCommand$($ foodfact$\_$receiver, args$[0])$

invoker.add$\_$command$($ foodfact$\_$command $)$

elif $($name $==$ "Recipe"$)$:

recipe$\_$command $=$ RecipeCommand$($ recipe$\_$receiver, args$[0],$ args$[1])$

invoker.add$\_$command$($ recipe$\_$command $)$

else:

print$("$Invalid Command Detected"$)$

print$("$

$")$

print$("$Job Report Generator"$)$

print$("********************")$

input$\_$filename $=$ input$("$Enter report command input file: $")$

output$\_$filename $=$ input$("$Enter report output file: $")$

input$\_$file $=$ open$($input$\_$filename$)$

input$\_$file$\_$list $=[]$

for line in input$\_$file:

input$\_$file$\_$list.append$($line$)$

input$\_$file.close$()$

invoker $=$ Invoker$()$

load$\_$commands$($input$\_$file$\_$list,invoker$)$

report $=$ invoker.execute$\_$commands$()$

output$\_$file $=$ open$($output$\_$filename, $"$w$")$

output$\_$file.write$($report$)$

output$\_$file.close$()$

print$("$Report written to file!"$)$