Account={money=0, last_change=0}
function Account:deposit(summ)
self.money=self.money+summ
self.last_change=summ
end
function Account:withdraw(summ)
self.money=self.money-summ
self.last_change=0-summ
end
function Account:status()
print('Money: '..self.money)
print('Last change: '..self.last_change)
end
function Account.new(money)
return {money=money, last_change=0, withdraw=Account.withdraw, deposit=Account.deposit, status=Account.status}
end
acc=Account.new(0)
function iter()
print("Enter char(+ to deposit, - to withdraw, & to exit or ? to get status.). ")
var=io.read()
if var=='+' then
print('Money: ')
var=io.read()
acc:deposit(var)
return
end
if var=='-' then
print('Money: ')
var=io.read()
acc:withdraw(var)
return
end
if var=='&' then
os.exit(0)
end
if var=='?' then
acc:status()
return
end
end
for i=1, 5 do
i=1
iter()
end