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How can I generate a big (more than 64 bits) random integer in Python?
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Random integers can be generated using functions such as randrange() and randint(). Let us first take a look at randint(). In case you want to generate numbers in intervals, you can use the randrange() function.
print(randint(1, 100)) # Pick a random number between 1 and 100. x = randint(1, 100) # Pick a random number between 1 and 100.
Generating Random Integersrandom. randint() function returns a random integer between a and b (in this case, 1 and 500) which includes a and b, in other words: a<= x <=b. Whereas random. randrange() chooses a random item from that range (start=0, stop=500, step=5), which can be 0, 5, 10, 15 and so on, until 500.
You can use random.getrandbits():
>>> random.getrandbits(128) 117169677822943856980673695456521126221L As stated in the linked documentation, random.randrange() will also do the trick if random.getrandbits() is available.
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