'''
銀行登錄系統(tǒng)
'''

uname = "bob"
passwd = 123
judgment = 0
choice = 2

for i in range(3):
 username = input("請輸入用戶名：")
 password = int(input("請輸入密碼："))
 if username == uname and password == passwd: #用戶名和密碼必須同時成立
  print("~~~歡迎%s使用銀行自助服務系統(tǒng)~~~" %uname) # %s是占位符
  judgment = 1
  break
 else:
  if choice != 0:
   print("?。。〉顷懯。。。? + "您還有" + str(choice) + "次機會")
  else:
   print("?。。〉顷懯。。。?)
  choice = choice - 1
if judgment == 0:
  print("三次機會已用完，此卡將凍結(jié)10分鐘") #只是提示信息，凍結(jié)操作并未編寫



# 第二種思路
# uname = "bob"
# passwd = 123
#
# choice = 2
#
# for i in range(3):
#  username = input("請輸入用戶名：")
#  password = int(input("請輸入密碼："))
#  if username == uname and password == passwd:
#   print("~~~歡迎%s使用銀行自助服務系統(tǒng)~~~" %uname) # %s是占位符
#
#   break
#  else:
#   if choice != 0:
#    print("！?。〉顷懯。。?！" + "您還有" + str(choice) + "次機會")
#   else:
#    print("?。。〉顷懯。。?！")
#   choice = choice - 1
# else:
#  print("三次機會已用完，此卡將凍結(jié)10分鐘")
# 
#