def validate_password(mobile_no,old_password):
usr=set_values(mobile_no)
if(usr.get_password()!=old_password):
raise InvalidPasswordException()
def check_recent_password(mobile_no, password):
usr = set_values(mobile_no)
recent_password = usr.get_recent_password().split(",")
for i in recent_password:
if i == password:
raise RecentPasswordException()
def validate_attempts(mobile_no):
usr = set_values(mobile_no)
if usr.get_attempts() >= 3:
raise BlockedAccountException()
