Choose number at random from a range of numbers - Python

Question

I'm making a game and I would like make my char's damage range(4,7),

To inflict damage, im doing enemyhp - chardamage, How would I make chardamage a random number from the range(4,7)?

Did you try Googling? I found random.randint in the first result. — Brandon Pickering
– Brandon Pickering, Commented Sep 26, 2012 at 4:03
python has a pretty good introspection features. And often times you can stumble on what you need. From the python CLI, try import random, and then dir(random). The if something looks promising try help(random.interestingthing). — monkut
– monkut, Commented Sep 26, 2012 at 4:07
Do you mean Python's range(4, 7) (== [4, 5, 6]), or did you mean [4, 5, 6, 7]? — nneonneo
– nneonneo, Commented Sep 26, 2012 at 23:32

Greg Hewgill · Accepted Answer · 2012-09-26 04:04:45Z

5

You can do this using random.randrange:

random.randrange(4, 8)

You need to use 8 because in Python, the range is inclusive of the lower bound and exclusive of the upper bound.

answered Sep 26, 2012 at 4:04

Greg Hewgill

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Joran Beasley · Accepted Answer · 2012-09-26 04:02:30Z

2

import random
print random.randint(4,7)

....

if you want floats then

print random.uniform(4,7)

answered Sep 26, 2012 at 4:02

Joran Beasley

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Burhan Khalid · Accepted Answer · 2012-09-26 04:03:01Z

2

You need range(4,8) because the upper bound is always -1. range(4,7) will give you 4,5,6

from random import choice
choice(range(4,8))

answered Sep 26, 2012 at 4:03

Burhan Khalid

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1 Comment

nneonneo Over a year ago

Python actually lets you use xrange there (for Python 2 users), and gives the right results :)

Marc Cohen · Accepted Answer · 2012-09-26 23:24:02Z

2

import random

damage = random.randint(4, 7) # To get random num from {4,5,6,7}

edited Sep 26, 2012 at 23:24

answered Sep 26, 2012 at 4:02

Marc Cohen

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1 Comment

Greg Hewgill Over a year ago

Note that randint() behaves differently from randrange(), and you would need to use randint(4, 7) to get a random integer from {4, 5, 6, 7}.

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