keys = [0,1,2, 3,4, 5,6, 7,8, 9,]
values  = [48,49,50,51,52,53,54,55,56,57]
dictionary = dict(map(None, keys, values))

win32api.keybd_event(ert,0,0,0)

class WinKeyboard(object):
    """ Windows keybord events"""
 
    def is_key_pressed(self, key):
        return (win32api.GetKeyState(key) & 0x8000)
        
    def is_combo_pressed(self, combo_keys):
        """Checks if combination of combo_keys is pressed simultaneously"""
        for code in combo_keys:
            if not self.is_key_pressed(code):
                return False
        return True
     
    def press(self, key):
        """ Generates key press """
        win32api.keybd_event(key, 0, 0, 0)
        time.sleep(0.1)
        win32api.keybd_event(key, 0, win32con.KEYEVENTF_KEYUP, 0)

now_time = datetime.datetime.now() # Текущая дата со временем

vk=now_time.strftime("%d.%m.%Y %I:%M")r

dictionary={0: 48, 1: 49, 2: 50, 3: 51, 4: 52, 5: 53, 6: 54, 7: 55, 8: 56, 9: 57}

rty=subprocess.Popen (r"notepad.exe")

for i in vk:
    for key, value in dictionary.items():
        
        
            if int(i)==key:
                ert=dictionary.get(key)
                win32api.keybd_event(ert,0,0,0)
                win32api.keybd_event(ert,0,win32con.KEYEVENTF_KEYUP,0)
                time.sleep(0.1)

...
for char in vk:
    win32api.keybd_event(ord(char), 0, 0, 0)
    win32api.keybd_event(ord(char), 0, win32con.KEYEVENTF_KEYUP, 0)
...

for i in vk:
    for key, value in dictionary.items():
            if int(i)==key:
                ert=dictionary.get(key)

>>> for i in vk:
...     if int(i) in dictionary:
...         do_something()
...         
>>> for i in vk:
...     try:
...         ert = dictionary[int(i)]
...         do_something()
...     except:
...         pass
...
>>> for key in filter(lambda x: x in dictionary, vk):
...     do_something()