raise exceptiosn in python code example

Example 1: how to print error in try except python

try:
  # some code
except Exception as e:
	print("ERROR : "+str(e))

Example 2: python file open try except error

def FileCheck(fn):
    try:
      open(fn, "r")
      return 1
    except IOError:
      print "Error: File does not appear to exist."
      return 0

result = FileCheck("testfile")
print result