switch case in python

switch.py

'''Using the if else construct '''
def function_if_else(condtion_variable):
  if condtion_variable = -1:
    print "Variable is equal to minus 1"
  elif condtion_variable == 0:
    print "Variable is equal to 0"
  else condtion_variable =1:
    print "Variable is equal to 1"

'''We can use dictionary ''' 
def function_switch_like(condtion_variable):
  try:
    print {
      -1: "Variable is equal to minus 1",
      0: "Variable is equal to 0",
      1:"Variable is equal to 1"
      }[condtion_variable]
  except KeyError:
    print "Key does not exists"