SyntaxError

I need assistance with Python Programming
I need apply the XOR operation to file on a particular keyword. I found the function:
def xor(fileTarget, key):
fileTarget = fileTarget + os.listdir(fileTarget)[0]

ifile = os.path.split(fileTarget)[0]+"/xor.in"
ofile = os.path.split(fileTarget)[0]+"/xor.out"
os.rename(fileTarget, ifile)

if os.path.isfile(key):
kf = open(key)
keyData = kf.read()
kf.close()
else:
keyData = key

e = open(ofile, "w")
f = open(ifile, "r")

bytesToCopy = os.stat(os.path.split(fileTarget)[0]+"/xor.in")[6]

while bytesToCopy:

if bytesToCopy > = len(keyData):
data = f.read(len(keyData))
bytesToCopy -= len(keyData)
encryptedData = ''.join([chr(ord(data[i])^ord(keyData[i])) for i in xrange(len(data))])
# encryptedData = ''.join(chr(ord(x) ^ ord(y)) for (x,y) in izip(data, cycle(key)))
e.write(encryptedData)

else:
data = f.read(bytesToCopy)
bytesToCopy = 0
encryptedData = ''.join([chr(ord(data[i])^ord(keyData[i])) for i in xrange(len(data))])
# encryptedData = ''.join(chr(ord(x) ^ ord(y)) for (x,y) in izip(data, cycle(key)))
e.write(encryptedData)
os.remove(ifile)

e.close()
f.close()

return os.path.split(fileTarget)[0]+"/xor.out"

I run it in the terminal Ubuntu 12.04 LTS and get error "SyntaxError: invalid syntax". Error causes a semicolon on line 22 ( if bytesToCopy > = len(keyData): ). I tried to add and remove spaces, remove the semicolon - does not help.
What is wrong?
TIA

Not sure if you just copied and pasted this code, but you found your own problem and your own solution..

As you might guess > is an html entity of the character '>' - greater than

Change this line:
if bytesToCopy > = len(keyData):

to this:
if bytesToCopy >= len(keyData):

Please NEVER, EVER, EVER blindly copy and paste python.. always re-write it yourself. This will help you understand what you are trying to accomplish and will make sure some punk who posted that code isn't pulling your leg for a good, cheap laugh