title: Input in python does not wait for my input in PyCharm
body: <p>I'm using PyCharm 5.04 and Python 3.4 as interpreter.
  I can't use input() function in my code and simply run it (Shift+F10), because PyCharm does not give me a chance to enter my input. Here is the code:</p>
  
  <pre><code>x=''
  while x!='stop':
      x=input('enter x')
      print(x)
  print(x)
  </code></pre>
  
  <p>If I run it, I'll see:</p>
  
  <pre><code>enter x
  enter x
  enter x
  .....
  </code></pre>
  
  <p>However, if I highlight the code, click right mouse button and chose in context menu 'execute selection in console', everything will work fine. Also, I can add a string 'from sys import argv' at the beginning of my cod, execute it in terminal by typing 'python name_of_script.py' and everything will be working fine to (just in case, I have ubuntu 15.10).</p>
  
  <p>Is something wrong with my PyCharm settings? What should I do to be able to execute code by simple running it (with Shift+F10, as I get used)?
  I don't have problems with any other code if it does not have input().</p>
  
  <p>Any help would be appreciated.</p>