This code is only for python. this is a game- transfer rings there are 3 problems which you are solving:  A: failed transfer - make sure the progam dont take more than what the user inputed by raising an exception

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ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
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This code is only for python. this is a game- transfer rings

there are 3 problems which you are solving: 

A: failed transfer - make sure the progam dont take more than what the user inputed by raising an exception

B: codE the trade_money function 

C: if sonic doesnt have as much as the user inputed, there will be an error pop up 'ERROR TRADE FAILED'. make it so the progam can run normally rather than turning it down. 

CODE: 
class user:
def __init__(self, name, initial_money):
self.name = name
self.money = initial_money

def give_money(self, amount):
self.money = self.money + amount

def take_money(self, amount):

# Part A: Raise an exception as appropriate
self.money = self.money - amount


def print_users(users):
total_money = 0
for user in users:
print(f'{user.name:s} has {user.money:d} rings')
total_money = total_money + user.money
print(f'There are a total of {total_money:d} rings')


# B: code the trade_money function


sonic = user('sonic', 80)
tails = user('tails', 20)
print_users([sonic, tails])

another_transfer = 'y'
while another_transfer == 'y':
num_money = int(input('Enter number of coins to transfer from Mario to Luigi: '))


# C: Print an appropriate message if an exception is encountered
trade_money(num_money, sonic, tails)

print_users([sonic, tails])
another_transfer = input('Do you want another trade? (y/n): ')

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