bank account simple project on python .

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import pickle accounts=dict() class Account: """SImple bank account """ def __init__(self,name,balance): self.name=name self.balance=balance def getname(self): return self.name def deposit(self,amount): if amount>0: self.balance+=amount def withdraw(self,amount): try: assert (amount>0) except: print("NO negative amount could be withdrawn") try: assert (balance-amount>0) except : print("maximum balance that could be withdrawn =",balance) balance-=amount def showbalance(self): print("*"*80,"\n\t\tCurrent Balance->",self.balance,"\b\n","*"*79) return self.balance def getbalance(self): return self.balance def new(): while True: name='' print("\n1.to Add an Account \n2.Deposit\n3.Withdraw\n4.View Balance\n5.View All Accounts Currenty Available \n6.Exit \n S or s to save ") choice=input() if choice=='1': name=input("Enter name->") temp=Account(name,0.0) accounts[name]=temp elif choice=='2': if name=='': name=input("Enter Name:->") if name in accounts.keys(): print("how much to add") amount=float(input()) if name in accounts: temp=accounts[name] temp.deposit(amount) else: print('Error Account Do not exist ') elif choice=='3': if name=='': name=input("Enter Name:->") if name in accounts.keys(): print("how much to Withdraw") amount=float(input()) if name in accounts: temp=accounts[name] temp.withdraw(amount) else: print('Error Account Do not exist ') elif choice=='4': if name=='': name=input("Enter Name:->") if name in accounts: temp=accounts[name] temp.showbalance() else : print('Error Account Do not exist ') elif choice=='6': break elif choice=='121': print(accounts) elif choice=='5': print('*'*120) print('\n\tName\t\t\t\t\tBalance') for key in accounts.keys(): print('-' * 80) print('\t',key,'\t\t\t\t\t',accounts[key].getbalance()) print('-' * 80) print('*' * 120) elif choice=='s' or 'S': pic_file = open('account_dump', 'ab') key_file = open('keydump', 'wb') pickle.dump(accounts, key_file) key_file.close() for key in accounts.keys(): temp = accounts[key] print("temp being dumped", temp) temp.showbalance() pickle.dump(temp, pic_file, protocol=pickle.HIGHEST_PROTOCOL) pickle.dump(temp.balance, pic_file, protocol=pickle.HIGHEST_PROTOCOL) pic_file.close() else : print ('Please give correct input ') pass def load(): try: temp=open('keydump','rb') temp2=open('account_dump','rb') except Exception: print("NO previous record found . Start a new banking ") menu() details=pickle.load(temp2) key_details=pickle.load(temp) print('printing Key details') print(key_details) for i in (key_details): details = pickle.load(temp2) print("----1----",details.getbalance()) accounts[i]=details details = pickle.load(temp2) print("----2----", details.getbalance()) print('printing acc details') print(accounts) print('loading complete') temp2.close() temp.close() new() def menu(): choice=input('1.NEW Banking ---RESTART\n2.Load->') if choice=='1': new() if choice=='2': load() if choice=='q' or choice=='Q': exit() menu() if __name__=="__main__": menu()