Python match-case construct

In Python, since version 3.10, there is a special construct match-case, which is used to select one value from a range of values. Its syntax is:

pythonmatch varuable:
  case 'value1':
    '''
      here is the code that will be executed
      if the variable has the value 1
    '''
  case 'value2'
    '''
      here is the code that will be executed
      if the variable has the value 2
    '''
  case _:
    '''
      here is the code that will be executed
      if the value does not match anything
    '''

Let us have a variable tst:

pythontst = 'a'

Let's write down in the condition the different options that the variable can take:

pythonmatch tst:
  case 'a':
    print('a')
  case 'b':
    print('b')
  case _:
    print('tst is unknown')

Also, using the operator |, you can specify a selection of the required values ​​in each variant:

pythonmatch tst:
  case 'a' | 'c':
    print('a or c')
  case 'b' | 'd':
    print('b or d')
  case _:
    print('tst is unknown')