v.0.1

bank.py

@@ -0,0 +1,22 @@
+import time
+class Bank:
+    __clients=[]
+    def __init__(self,name):
+        self.name=name
+
+    def add_clients(self,client):
+        self.__clients.append(client)
+
+    def authentication(self,name,account_number):
+        for i in range(len(self.__clients)):
+            if name == self.__clients[i].name and account_number == self.__clients[i].account_number:
+                time.sleep(1)
+                print("Authentication successful!")
+                return self.__clients[i]
+        print('''
+    Authentication failed!
+    Reason: account not found.
+    ''')
+
+    def getclients(self):
+        return self.__clients

client.py

@@ -0,0 +1,25 @@
+import random
+random_list=list(set(random.randint(10000,99999) for i in range(9999)))
+class Client:
+    i=0
+    def __init__(self,name,total_amount):
+        self.name=name
+        self.total_amount=total_amount
+        self.account_number=random_list[Client.i]
+        Client.i+=1
+    def withdrawn(self,amount):
+        if self.total_amount>=amount:
+            self.total_amount-=amount
+            print("The sum of {} has been withdrawn from your account balance.".format(amount))
+            self.current_balance()
+            return self.total_amount
+        else:
+            print("Your current account balance is not enough.")
+    def deposit(self,amount):
+        self.total_amount+=amount
+        print("The sum of {} has been added to your account balance.".format(amount))
+        self.current_balance()
+        return self.total_amount
+
+    def current_balance(self):
+        print ("Your current account balance is: {}".format(self.total_amount))

hackerrank.py

@@ -0,0 +1,44 @@
+#1. sWAP cASE: https://www.hackerrank.com/challenges/swap-case/problem
+def swap_case(s):
+    a=""
+    for i in s:
+        if i.isupper():
+            a+=i.lower()
+        elif i.islower():
+            a+=i.upper()
+        else:
+            a+=i
+    return a
+
+
+if __name__ == '__main__':
+    s = input()
+    result = swap_case(s)
+    print(result)
+
+# 2. String Split and Join: https://www.hackerrank.com/challenges/python-string-split-and-join/problem
+def split_and_join(line):
+    return '-'.join(line.split(' '))
+if __name__ == '__main__':
+    line = input()
+    result = split_and_join(line)
+    print(result)
+# 3. Mutations: https://www.hackerrank.com/challenges/python-mutations/problem
+def mutate_string(string, position, character):
+    return string[:position]+character+string[position+1:]
+
+if __name__ == '__main__':
+    s = input()
+    i, c = input().split()
+    s_new = mutate_string(s, int(i), c)
+    print(s_new)
+#4. Text Wrap: https://www.hackerrank.com/challenges/text-wrap/problem
+import textwrap
+def wrap(string, max_width):
+    return '\n'.join([string[i:i+max_width] for i in range(0,len(string),max_width)])
+
+
+if __name__ == '__main__':
+    string, max_width = input(), int(input())
+    result = wrap(string, max_width)
+    print(result)

main.py

@@ -0,0 +1,57 @@
+from client import Client
+from bank import Bank
+import time
+
+b1=Bank(input('Name of Bank: '))
+
+available=True   
+while available:
+    print("Welcome to {}".format(b1.name))
+    print("""Choose an option:
+        1. Open new bank account
+        2. Open existing bank account
+        3. Exit
+        """)
+    choice=int(input("1,2,3: "))
+    if choice==3:
+            available = False
+    elif choice==1:
+        print("To create an account, please fill in the information below.")
+        name_=input("Name: ")
+        t_amount=int(input("Total amount: "))
+        client1=Client(name_, t_amount)
+        b1.add_clients(client1)
+        time.sleep(1)
+        print("Account created successfully! Your account number is: {}".format(client1.account_number))
+    elif choice==2:
+        print("To access your account, please enter your credentials below.")            
+        account_number=int(input("Account number: "))
+        name=input("Name: ")
+        client_authentication=b1.authentication(name,account_number)
+        if client_authentication:
+            authorized = True
+            print("Bank account is opening...")
+            time.sleep(1)
+            print('Welcome {}'.format(name))
+            while authorized:
+                print("""Choose an option:
+            1. Withdraw
+            2. Deposit
+            3. Balance
+            4. Exit""")
+                choice1=int(input("Choice: "))
+                if choice1==1:
+                    w_amount = int(input("Withdraw amount:"))
+                    client_authentication.withdrawn(w_amount)
+                elif choice1==2:
+                    d_amount = int(input("Deposit amount:"))
+                    client_authentication.deposit(d_amount)
+                elif choice1==3:
+                    client_authentication.current_balance()
+                elif choice1==4:
+                    authorized=False
+
+        else:
+            time.sleep(1)
+            print('Authentication failed! \nReason: account is not found')
+