a simple module to create funtions and classes in python3

generic.py

# -*- encoding: utf8 -*-

"""Generic function/Class
	by Bernd Kassler www.c3is.de
	bernd@c3is.de
	13. JAN 2017
"""

#import numpy as np
#import h5py
#from scipy import signal as sgl
#import scipy.io as sio
#import sympy as smb
#import matplotlib.pyplot as plt
#import math
#import os
import sys
#import openpyxl
#import time
#import xlrd
#import xlwt
# from netCDF4 import  Dataset
#import mpltools 
#import obspy

class Clear:
	'''	Use "-clear" to clear the screen, i.e:
		>>> -clear
		Or call it as a function:
		>>> clear()
		Or if you're on a shell, you can also type:
		>>> clear
		This file can be called as a regular program, also.
		cf. https://gist.github.com/jmendeth/3130325
	'''
	def __call__(self):
		import os
		if os.name=='linux': os.system('clear')
		else: print('\n'*120)
		def __neg__(self): self()
		def __repr__(self):
			self();return ''

class Gen :
	"""Useful constants and functions

		function_one (val)		does something

	"""
	#math. constants in CAPITALS
	NIL=None				# NULL string 0x0
	MAXINT=sys.maxsize		# a big Integer
	YNF=1.e100				# a big number
	ZERO=1/YNF				# a small number
	# ++++++++++++++++++++++++++++++++++++++++
	def __init__(self):
		pass
		#end Attribute Nutz++++++++++++++++++++++++++++
	@staticmethod
	def function_one(	val,		# a variable as input
												):	
		"""does something with variable val
		"""
		x=val
		return x
		# end function_one ++++++++++++++++++++++++++++++++
	# defining some functions as static:
	function_one= staticmethod(function_one)
	#end class GEN #####################################

###############################################
# TEST environment (main program)
#
if  __name__ =='__main__':
	print('START test run    _____________________________________________________________________________')
	print()
	print ('Hello world!  ', Gen.MAXINT)

	
	
	print()
	print('______________________________________________________________________________________ready !')
	exit(0)

I use the class Gen to start with programming a new code in python3. During the exercises at the University python workshops I have different exercises to solve but for every function/program i need the almost same 'headers' therefore a generic function seems to be quite useful for me.