python - If N is equal to an integer -


this question has answer here:

i'm writing function runs through list of elements, , operation on list elements integers. looks this:

for n in list1:    if n == int:          #do stuff

what i'm struggling how write out loop detect if element integer. should this? can't find in docs of python (although maybe haven't looked deep enough in).

thanks help.

use isinstance() function:

for n in list1:    if isinstance(n, int):        # stuff

Comments

Post a Comment

Popular posts from this blog

javascript - Clear button on addentry page doesn't work -

this addentry blog page have made scratch , there underlying problems code particularly clear button supposed clear text entered when button clicked on doesn't work have saved html file problem. also 1 other problem submit button works doesn't pass of text index file have written php , reason whenever click on submit button redirects me index page without posting entry have made. <!doctype html> <html> <head> <script> function message() { alert("clear form?"); } </script> <style> body {background-color: beige;} h1 {color: black;} p {color: black;} textarea { width: 50%; height: 150px; padding: 12px 20px; box-sizing: border-box; border: 2px solid #ccc; border-radius: 4px; background-color: white; font-size: 16px; resize: none; } div { padding-left: 20px; } </style> </head> <meta charset="utf-8"> <link rel="stylesheet" href="....
Read more

python - Error: Unresolved reference 'selenium' What is the reason? -

# -*- coding: utf-8 -*- selenium import selenium import unittest, time, re class rc(unittest.testcase): def setup(self): self.verificationerrors = [] self.selenium = selenium("localhost", 4444, "*chrome", "http://stackoverflow.com/") self.selenium.start() def test_rc(self): sel = self.selenium sel.open("/") sel.type("id=kw", "selenium") sel.click("id=container") sel.click("id=su") def teardown(self): self.selenium.stop() self.assertequal([], self.verificationerrors) if __name__ == "__main__": unittest.main() this recorded selenium ide, selenium remote control code. in ide test passed.   in pycharm open, first line ( from selenium import selenium ) there error: unresolved reference 'selenium' what reason? my environment is python3.5 selenium3.3.1 selenium-server-standalone-...
Read more

tensorflow when input_data MNIST_data , zlib.error: Error -3 while decompressing: invalid block type -

i'm geting started tensorflow,followed tutorials,but cannot download mnist data. import tensorflow tf tensorflow.examples.tutorials.mnist import input_data mnist=input_data.read_data_sets("mnist_data/",one_hot=true) print("download done!") error information: extracting mnist_data/train-images-idx3-ubyte.gz traceback (most recent call last): file "/home/sj/program/tesorflow_try.py", line 6, in <module> mnist=input_data.read_data_sets("mnist_data/",one_hot=true) file "/usr/local/lib/python2.7/dist-packages/tensorflow/contrib/learn/python/learn/datasets/mnist.py", line 213, in read_data_sets train_images = extract_images(f) file "/usr/local/lib/python2.7/dist-packages/tensorflow/contrib/learn/python/learn/datasets/mnist.py", line 60, in extract_images buf = bytestream.read(rows * cols * num_images) file "/usr/lib/python2.7/gzip.py", line 268, in read self._read(readsize) file...
Read more