import struct
'''
arr=[]
for i in range(1024):
arr.append(b'0xff')
print arr
'''
bytes=struct.pack('i',255)
arr=[]
for i in range(1024):
arr.append(bytes)
print arr
try:
file_object=open('e:/test2.txt','wb')
for i in range(1,10000000):
for j in range(1,10000000):
# file_object.write(arr)
file_object.writelines(arr)
except Exception,e:
print e
finally:
file_object.close( )