CodingForums.com - Can't load binary file into Array...

Here's what i'm trying to do:

1. Generate a random file
2. Read that file in by n-byte chunks
3. Store each chunk in it's own Array element

error produced:
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SyntaxError: can't assign to function call
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Bits and info:
================
- i'm on python 2.7
- OS is Linux 64 bit
================

am i using the wrong kind of data structure to store the chunks of data?

here's my code:

Code:

# Split the File int an Array

def SplitFile(filename, blocksize):

    with open(filename, "rb") as f:

        i = 0

        byte = f.read(blocksize)

        while byte:

            # Put the Data Blocks into the Array Elements

            FileData.append[i] = f.read(blocksize)

            i = i + 1

        f.close()



def RandomFile(n, filename):

    filedata = ""

    for i in range(n):

        rnd = random.randint(0,255)

        filedata = filedata + chr(rnd)

    # Write the data to the disk

    f = open(filename, 'w')

    f.write(filedata)

    f.close()



blocksize = 16000

filename = 'RndFile.rnd'

FileData = []

a = RandomFile(blocksize * 8, filename)

SplitFile(filename, blocksize)