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

# long-hand
class MyClass:
  def __init__(self):
    self._my_string = None
  
  @property
  def my_string(self):
    return self._my_string
  
  @my_string.setter
  def my_string(self, value):
    self._my_string = value
    
# short-hand
class MyClass:
  my_string = None