def delete_customer(Customers):
while True:
Customer.show_customer_list(Customers)
input = raw_input('Please enter the customer id for deletion:')
customer = Customer.find_customer(Customers, input)
if customer is None:
print 'Invalid customer id. Please re-enter a new one!'
print
else:
break
pickle_file = customer_folder + customer.id + '.pkl'
os.remove(pickle_file)
Customers.remove(customer)
print 'Delete customer ' + customer.id + ':' + customer.name + ' Succeed!'
