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Python 2.7.2 - Cannot import name _random or random from sys


Python 2.7.2 - Cannot import name _random or random from sys

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Python 2.7.2 - Cannot import name _random or random from sys
Tag : python , By : user147496
Date : November 28 2020, 08:01 AM


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What is the difference between FROM random IMPORT* and IMPORT random? (random() and randrange())


Tag : python , By : jaime
Date : March 29 2020, 07:55 AM
this will help When you from random import *, all the definitions from random become part of the current name space. This means you don't have to prefix anything with random., but it also means you may get a name collision without even knowing it.
The preferred way is import random.

What is python's _random?


Tag : python , By : Imran
Date : March 29 2020, 07:55 AM
I think the issue was by ths following , It is common practice to use a leading underscore for modules implemented in C. Often the pattern _mod for this C module and mod for a Python module that imports this _mod is used. You will find this for several modules of the standard library. Typically, you should use mod and not _mod.
On Mac OS X there is a file:
_random.so
>>> _random
>>> <module '_random' from '/path/to/python/sharedlibs/_random.so'>
>>> import sys
>>> sys.builtin_module_names
('_ast', '_codecs', '_collections', '_functools', '_imp', '_io', '_locale',
 '_operator', '_signal', '_sre', '_stat', '_string', '_symtable', '_thread',
 '_tracemalloc', '_warnings', '_weakref', 'atexit', 'builtins', 'errno', 
 'faulthandler', 'gc', 'itertools', 'marshal', 'posix', 'pwd', 'sys', 
 'time', 'xxsubtype', 'zipimport')
>>> _random
_random <module '_random' (built-in)>
static PyMethodDef random_methods[] = {
    {"random",          (PyCFunction)random_random,  METH_NOARGS,
        PyDoc_STR("random() -> x in the interval [0, 1).")},
    {"seed",            (PyCFunction)random_seed,  METH_VARARGS,
        PyDoc_STR("seed([n]) -> None.  Defaults to current time.")},
    {"getstate",        (PyCFunction)random_getstate,  METH_NOARGS,
        PyDoc_STR("getstate() -> tuple containing the current state.")},
    {"setstate",          (PyCFunction)random_setstate,  METH_O,
        PyDoc_STR("setstate(state) -> None.  Restores generator state.")},
    {"getrandbits",     (PyCFunction)random_getrandbits,  METH_VARARGS,
        PyDoc_STR("getrandbits(k) -> x.  Generates an int with "
                  "k random bits.")},
    {NULL,              NULL}           /* sentinel */
};
>>> [x for x in dir(_random.Random) if not x.startswith('__')]
['getrandbits', 'getstate', 'jumpahead', 'random', 'seed', 'setstate']

Cant import random python


Tag : python , By : Gilmar Souza Jr.
Date : March 29 2020, 07:55 AM
I hope this helps you . The traceback is relatively clear:
you attempt to import randint from random; inside the python random module it attempts to import names from math; unfortunately, you chose to name one of your own modules in the working directory math as well and so it finds that first; when importing your math, it attempts to import random ... now you have an circular import ... and it fails. Conclusion:

Generating distinct random numbers using import random python


Tag : python , By : Karina
Date : March 29 2020, 07:55 AM
seems to work fine rst = set()
Sets cannot contain duplicates. If you attempt to add a duplicate, it will reject it.

I cannot get import random to work- python 3


Tag : python , By : kakashi_
Date : March 29 2020, 07:55 AM
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