lass Contact:

contacts$\_$list $=[]$

def $\_\_$init$\_\_($self$,$ first$\_$name, last$\_$name, email$)$:

self.first$\_$name $=$ first$\_$name

self.last$\_$name $=$ last$\_$name

self.email $=$ email

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

return f$"\{$self$.$first$\_$name$\},\{$self$.$last$\_$name$\}$: $\{$self$.$email$\}"$

if len$($contacts$\_$list$)>0$:

print$(("$first$\_$name,last$\_$name:email"$))$

for contacts in contacts:

print$($self$.$display$\_$contact$())$

else:

print$("$No class have been added yet."$)$

def addcontact$($self$)$:

try:

first$\_$name $=$ input$("$Enter first name: $")$

last$\_$name $=$ input$("$Enter Last name: $")$

email $=$ input$($input$("$Enter email: $"))$

# instantiate contact, add to dictionary

contacts$\_$list.append$($self$($first$\_$name, last$\_$name, email$))$ #append Contact

except ValueError:

print$(\text{'}$Some data entered is invalid, no data accepted.$\text{'})$

def main$()$:

contacts$\_$list $=[]$

while True:

print$("""$

menu options. choose $1,2,3$

$1.$display all contacts

$2.$create new contact

$3.$Exit

$""")$

opt$=$ input$("$Enter your chioce,$1,2,3")$

if opt $=="1"$: # display all contact

display$\_$contact$($contacts$\_$list$)$

elif opt $=="2"$: # add a contact

contact $=$ addcontact$($contacts$\_$list$)$

elif opt $=="3"$: # exit program

print$("$Goodbye$")$

print$()$

else:

print$("$Invalid entry, please re$-$enter your choice"$)$

print$()$

main$($ can you show me what is going wrong