I need explanation for next code

import math

from tkinter import $*$

from tkinter import ttk

from tkinter import messagebox

root $=$ Tk$()$

class CalculatorClass:

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

print$("$Title: Calculator Application"$)$

print$("$Description: This project uses the tkinter library to create a basic calculator"$)$

def display$\_$name$($self$)$:

print$("$We are:"$)$

for i in $["$Meshari Alnafie", "Khaild Alodaib", "Dhaifallah Alshammari", "Misfer Almukhales"$]$:

print$($i$)$

print$("$GM$04-$D$.$Mohamed Amin"$)$

def gui$($self$)$:

root.geometry$(\text{'}600$x$600\text{'})$

root.title$(\text{'}$Calculator$\text{'})$

# Frame cover page

frame $=$ Frame$($master$=$root, width$=600,$ height$=600,$ bg$="$#e$7$d$6$d$6")$

frame.pack$()$

# Label as title

Apptitle $=$ Label$($master$=$root, text$=$"Calculator Application", font$=(\text{'}$Gill Sans', $23,$ 'bold'$),$

padx$=20,$ pady$=10,$ bg$="$#ccbdbd$")$

Apptitle.place$($x$=50,$ y$=20)$

# num$1$

num$1=$ Label$($master$=$root, text$=$"number$1",$ bg$="$#b$9$aeae"$)$

num$1.$place$($x$=100,$ y$=100)$

# num$2$

num$2=$ Label$($master$=$root, text$=$"number$2",$ bg$="$#b$9$aeae"$)$

num$2.$place$($x$=100,$ y$=150)$

# Inputs for two numbers

num$1\_$input $=$ Entry$($master$=$root$)$

num$1\_$input.place$($x$=188,$ y$=100)$

num$2\_$input $=$ Entry$($master$=$root$)$

num$2\_$input.place$($x$=188,$ y$=150)$

# Operator is

operator$\_$is $=$ Label$($master$=$root, text$=$"operator is:$",$ bg$="$#b$9$aeae"$)$

operator$\_$is$.$place$($x$=195,$ y$=200)$

operator$\_$input $=$ Entry$($master$=$root, width$=2)$

operator$\_$input.place$($x$=280,$ y$=198)$

# Output button & function

def calc$\_$function$()$:

n$1=$ int$($num$1\_$input.get$())$

n$2=$ int$($num$2\_$input.get$())$

operator $=$ str$($operator$\_$input.get$())$

global x

if operator $=="+"$:

x $=$ n$1+$ n$2$

elif operator $=="-"$:

x $=$ n$1-$ n$2$

elif operator $=="*"$:

x $=$ n$1*$ n$2$

elif operator $=="/"$:

x $=$ n$1/$ n$2$

elif operator $=="**"$:

x $=$ math.pow$($n$1,$ n$2)$

else:

x $=$ "invalid operator"

# Result label

result $=$ Label$($master$=$root, text$=$x$,$ font$=(\text{'}$Gulim$\text{'},15,$ 'italic'$))$

result.place$($x$=220,$ y$=290)$

output $=$ Button$($master$=$root, text$=$"calc", bg$="$#b$9$aeae", foreground$=$"red", command$=$calc$\_$function$)$

output.place$($x$=220,$ y$=250)$

def end$\_$function$()$:

root.destroy$()$

endbtn $=$ Button$($master$=$root, text$=$"end", bg$="$#b$9$aeae", foreground$=$"red", command$=$end$\_$function$)$

endbtn.place$($x$=220,$ y$=350)$

root.config$($bg$="$#a$0$c$2$f$2",$ pady$=100)$

root.mainloop$()$

# Object from the class

obj$1=$ CalculatorClass$()$

obj$1.$display$\_$name$()$

obj$1.$gui$()$