Function(char1, char2, char3, char4, Number)

def Function(*args):
  table_line = ""
  for x in range(Number/2):

def func(number, *char):
    ...

def function(*args):
    *chars, number = args
    ...

In [8]: *a, b = (1, 2, 3, 4)

In [9]: a
Out[9]: [1, 2, 3]

In [10]: b
Out[10]: 4