import csv

from datetime import date, datetime

class Customer:

def $\_\_$init$\_\_($self$,$ id$,$ name, email, phone$\_$number, date$\_$of$\_$birth, address$)$:

self.id $=$ id

self.name $=$ name

self.email $=$ email

self.phone$\_$number $=$ phone$\_$number

self.date$\_$of$\_$birth $=$ date$\_$of$\_$birth

self.address $=$ address

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

return f$"$Customer$($id$=\{$self$.$id$\},$ name$=\text{'}\{$self$.$name$\}\text{'},$ email$=\text{'}\{$self$.$email$\}\text{'},$ phone$\_$number$=\text{'}\{$self$.$phone$\_$number$\}\text{'},$ date$\_$of$\_$birth$=\text{'}\{$self$.$date$\_$of$\_$birth$\}\text{'},$ address$=\text{'}\{$self$.$address$\}\text{'})"$

def calculate$\_$age$($self$,$ date$\_$of$\_$birth$)$:

today $=$ date.today$()$

birth$\_$date $=$ datetime.strptime$($date$\_$of$\_$birth, $"\%$Y$-\%$m$-\%$d$")$

age $=$ today.year $-$ birth$\_$date.year $-(($today$.$month, today.day$)<($birth$\_$date.month, birth$\_$date.day$))$

return age

def get$\_$id$($self$)$:

return self.id

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

return self.name

def get$\_$email$($self$)$:

return self.email

def get$\_$phone$\_$number$($self$)$:

return self.phone$\_$number

def get$\_$address$($self$)$:

return self.address

def set$\_$name$($self$,$ new$\_$name$)$:

self.name $=$ new$\_$name

def set$\_$email$($self$,$ new$\_$email$)$:

self.email $=$ new$\_$email

def set$\_$phone$\_$number$($self$,$ new$\_$phone$\_$number$)$:

self.phone$\_$number $=$ new$\_$phone$\_$number

def set$\_$address$($self$,$ new$\_$address$)$:

self.address $=$ new$\_$address

class CustomerManager:

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

self.customers $=[]$

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

self.customers.append$($customer$)$

def remove$\_$customer$($self$,$ customer$)$:

self.customers.remove$($customer$)$

def get$\_$customers$\_$by$\_$age$\_$range$($self$,$ min$\_$age, max$\_$age$)$:

today $=$ date.today$()$

customers$\_$in$\_$range $=[]$

for customer in self.customers:

birth$\_$date $=$ datetime.strptime$($customer$.$date$\_$of$\_$birth, $"\%$Y$-\%$m$-\%$d$")$

age $=$ today.year $-$ birth$\_$date.year $-(($today$.$month, today.day$)<($birth$\_$date.month, birth$\_$date.day$))$

if min$\_$age $<=$ age $<=$ max$\_$age:

customers$\_$in$\_$range.append$($customer$)$

return customers$\_$in$\_$range

def get$\_$customers$\_$by$\_$address$($self$,$ address$)$:

customers$\_$with$\_$address $=[]$

for customer in self.customers:

if customer.address $==$ address:

customers$\_$with$\_$address.append$($customer$)$

return customers$\_$with$\_$address

def export$\_$data$($self$,$ filename$)$:

try:

with open$($filename$,$ mode$=\text{'}$w$\text{'},$ newline$=\text{'}\text{'})$ as file:

writer $=$ csv$.$writer$($file$)$

writer.writerow$([\text{'}$ID$\text{'},$ 'Name', 'Email', 'Phone Number', 'Date of Birth', 'Address'$])$

for customer in self.customers:

writer.writerow$([$customer$.$id$,$ customer.name, customer.email, customer.phone$\_$number, customer.date$\_$of$\_$birth, customer.address$])$

except IOError as e:

print$($f$"$An error occurred while exporting data: $\{$e$\}")$

# Function to get user input for creating a new customer

def create$\_$customer$()$:

customer$\_$id $=$ int$($input$("$Enter customer ID: $"))$

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

customer$\_$email $=$ input$("$Enter customer email: $")$

customer$\_$phone$\_$number $=$ input$("$Enter customer phone number: $")$

customer$\_$date$\_$of$\_$birth $=$ input$("$Enter customer date of birth $($YYYY$-$MM$-$DD$)$: $")$

customer$\_$address $=$ input$("$Enter customer address: $")$

return Customer$($customer$\_$id$,$ customer$\_$name, customer$\_$email, customer$\_$phone$\_$number, customer$\_$date$\_$of$\_$birth, customer$\_$address$)$

# Example usage

customer$\_$manager $=$ CustomerManager$()$

while True:

choice $=$ input$("$Enter $\text{'}$a$\text{'}$ to add a new customer, $\text{'}$q$\text{'}$ to quit: $")$

if choice.lower$()==\text{'}$a$\text{'}$:

new$\_$customer $=$ create$\_$customer$()$

customer$\_$manager.add$\_$customer$($new$\_$customer$)$

print$("$Customer added successfully."$)$

elif choice.lower$()==\text{'}$q$\text{'}$:

break

else:

print$("$Invalid input. Please try again."$)$

# Export customer data to a CSV file

customer$\_$manager.export$\_$data$("$customers$.$csv$")$ get user input