def FileCheck(fn):
try:
fn=open("TestFile.txt","U")
except IOError:
print "Error: File does not appear to exist."
return 0
def FileCheck(fn):
try:
def FileCheck(fn):
try:
fn=open("TestFile.txt","U")
except IOError:
print "Error: File does not appear to exist."
return 0
def FileCheck(fn):
try: