Question

How to allocate 1MB in Python

Answer 1

# Allocate 1 MB (1,048,576 bytes)
one_mb = bytearray(1024 * 1024)

print(one_mb[])


'''
run:

bytearray(b'\x00\x00\...

'''

 

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Answer 2

# Allocate 1 MB as a list of 1,048,576 zeros (each integer takes 1 byte)
one_mb = [0] * (1024 * 1024)

print(one_mb[0])


'''
run:

0

'''

 

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Answer 3

import numpy as np

# Allocate 1 MB as a numpy array of 1,048,576 bytes
one_mb = np.zeros(1024 * 1024, dtype=np.uint8)

print(one_mb[0])


'''
run:

0

'''

 

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