Python switch statement

gistfile1.py

class switch:
 def __init__(_,o):_._,_.o=0,o
 def __iter__(_):yield _.__
 def __(_,*o):
  if _._ or not o:return 1
  elif _.o in o:_._=1;return 1

"""
Usage:
import string
c = input('please enter a character: ')
for case in switch(c):
    if case(*string.ascii_lowercase):
        print("c is lowercase!")
        break
    if case(*string.ascii_uppercase):
        print("c is uppercase!")
        break
    if case('!', '?', '.'): 
        print("c is a sentence terminator!")
        break
    if case(): 
        print("I dunno what c was!")
"""