gistfile1.cs

/* long-hand */
public class MyClass
{
  string _myString;

  public string MyString 
  { 
    get { return _myString; }
    set { _myString = value; }
  }
}

/* short-hand */
public class MyClass
{
  public string MyString { get; set; }
}

gistfile2.py

class MyClass:
  def __init__(self):
    self._myString = None
  
  @property
  def myString(self):
    return self._myString
  
  @myString.setter
  def set_myString(self, value):
    self._myString = value