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在python上获得随机字符

ivy吖 2023-03-16 阅读 86


"""今天写一个程序,在想既然可以获得随机数,那我可不可以获得任意字符呢,于是在stackoverflow.com 上找到了方法,几乎都是导入random模块,然后再用其它方法间接实现。
现在总结如下:"""

#获取单个字符
>>> import random
>>> import string
>>> random.choice(string.ascii_lowercase)
'b'

>>> import string
>>> string.letters
'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ'
>>> import random
>>> random.choice(string.letters)
'j'

import random
def guess_letter():
return random.choice('abcdefghijklmnopqrstuvwxyz')

import string #This was a design above but failed to print. I remodled it.
import random
irandom = random.choice(string.ascii_letters)
print irandom

#获取固定长度的随机字符:

>>>def random_char(y):
return ''.join(random.choice(string.ascii_letters) for x in range(y))

>>>print (random_char(5))
>>>fxkea

可以简化为:''.join(random.sample(string.ascii_lowercase,5))



# 获取固定长度,随机混合的数和随机字母

import string
import random

KEY_LEN = 20

def base_str():
return (string.letters+string.digits)
def key_gen():
keylist = [random.choice(base_str()) for i in range(KEY_LEN)]
return ("".join(keylist))
You can get random strings like this:

g9CtUljUWD9wtk1z07iF
ndPbI1DDn6UvHSQoDMtd
klMFY3pTYNVWsNJ6cs34
Qgr7OEalfhXllcFDGh2l

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