python 报错 **AttributeError: module 'string' has no attribute 'letters'** 的解决方法。

本文介绍了一种常见的Python 3.x中使用string模块生成验证码时出现的AttributeError错误及其解决方案。通过将string.letters替换为string.ascii_letters可以解决此问题。

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python 报错 AttributeError: module ‘string’ has no attribute ‘letters’ 的解决方法。

遇到上述报错,是因为你用的python3,在这里我写的是一个生成验证码的代码如下

import string,random
field = string.letters + string.digits 
def getRandom():
    return "".join(random.sample(field,4))
def concatenate(group):
    return "-".join([getRandom() for i in range(group)])
def generate(n):
    return [concatenate(4) for i in range(n)]
if __name__ == '__main__':
    print (generate(200))

在这里把field = string.letters + string.digits 改为 field = string.ascii_letters + string.digits 就好啦~

Traceback (most recent call last): File "E:\pythonproject\lab1.py", line 49, in <module> import sympy File "D:\Anaconda\envs\pythonproject\lib\site-packages\sympy\__init__.py", line 51, in <module> from .core import (sympify, SympifyError, cacheit, Basic, Atom, File "D:\Anaconda\envs\pythonproject\lib\site-packages\sympy\core\__init__.py", line 4, in <module> from .sympify import sympify, SympifyError File "D:\Anaconda\envs\pythonproject\lib\site-packages\sympy\core\sympify.py", line 9, in <module> from sympy.core.random import choice File "D:\Anaconda\envs\pythonproject\lib\site-packages\sympy\core\random.py", line 25, in <module> from sympy.utilities.iterables import is_sequence File "D:\Anaconda\envs\pythonproject\lib\site-packages\sympy\utilities\__init__.py", line 4, in <module> from .iterables import (flatten, group, take, subsets, File "D:\Anaconda\envs\pythonproject\lib\site-packages\sympy\utilities\iterables.py", line 18, in <module> from sympy.utilities.decorator import deprecated File "D:\Anaconda\envs\pythonproject\lib\site-packages\sympy\utilities\decorator.py", line 8, in <module> from sympy.testing.runtests import DependencyError, SymPyDocTests, PyTestReporter File "D:\Anaconda\envs\pythonproject\lib\site-packages\sympy\testing\__init__.py", line 3, in <module> from .runtests import test, doctest File "D:\Anaconda\envs\pythonproject\lib\site-packages\sympy\testing\runtests.py", line 20, in <module> import pdb File "D:\Anaconda\envs\pythonproject\lib\pdb.py", line 74, in <module> import cmd File "D:\Anaconda\envs\pythonproject\lib\cmd.py", line 50, in <module> IDENTCHARS = string.ascii_letters + string.digits + '_' AttributeError: module 'string' has no attribute 'ascii_letters'这是什么错误
06-09
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