if zak == achiever:
    if employer == grateful:
        zak += recognition

if zak == achiever and employer == grateful:
    zak += recognition

import re

URL_MATCH = re.compile(r"""
    http[s]?://     # Match protocol, secure or not
   (?:[a-zA-Z]     # Match any letter
   |[0-9]          # Match any number
   |[$-_@.&+]      # Match other allowed symbols
   |[!*\(\),]      # Match exclamation, parens, commas
   |(?:%[0-9a-fA-F][0-9a-fA-F])     # percent (%) sign followed by 2-digit hex
   )+              # Match one or more of preceding tokens
   """, re.VERBOSE)

URL_MATCH = re.compile(r"""
    http[s]?://     # Match protocol, secure or not
   (?:
        [a-zA-Z]        # Match any letter
        |[0-9]          # Match any number
        |[$-_@.&+]      # Match other allowed symbols
        |[!*\(\),]      # Match exclamation, parens, commas
        |(?:
            %[0-9a-fA-F][0-9a-fA-F]  # percent (%) sign followed by 2-digit hex
        )
   )
   +  # Match one or more of preceding tokens
   """, re.VERBOSE)

class ListOfFilesInDirectoryWithExtension(object):

    def __init__(self, directory, extension=""):
        self.directory = directory
        self.extension = extension

    @staticmethod
    def print_directory(self):
        print self.directory
        print self.extension

test_list = ListOfFilesInDirectoryWithExtension("hello", "world")

test_list.print_directory(test_list)

test_list.print_directory()  # TypeError: print_directory() takes exactly 1 argument (0 given)

@staticmethod
def start_rows(player):

var success = float.TryParse(value, out dop);

var csAttributeExpression = context.Node as Microsoft.CodeAnalysis.CSharp.Syntax.AttributeSyntax;
var vbAttributeExpression = context.Node as Microsoft.CodeAnalysis.VisualBasic.Syntax.AttributeSyntax;

private void AnalyzeCSharpSymbol(SyntaxNodeAnalysisContext context)
{
    var attributeExpression = context.Node as Microsoft.CodeAnalysis.CSharp.Syntax.AttributeSyntax;

    if (attributeExpression?.ArgumentList == null || attributeExpression.ArgumentList.Arguments.Any())
    {
        return;
    }

    context.ReportDiagnostic(Diagnostic.Create(Rule, attributeExpression.GetLocation()));
}

private void AnalyzeVisualBasicSymbol(SyntaxNodeAnalysisContext context)
{
    var attributeExpression = context.Node as Microsoft.CodeAnalysis.VisualBasic.Syntax.AttributeSyntax;

public override void Initialize(AnalysisContext context)
{
    context.RegisterSyntaxNodeAction(AnalyzeSymbol, Microsoft.CodeAnalysis.CSharp.SyntaxKind.Attribute);
}

<ix:nonFraction contextRef="cfwd_31_12_2013" name="ns5:CashBankInHand" unitRef="GBP" decimals="0" format="ixt2:numdotdecimal" scale="0" xmlns:ix="http://www.xbrl.org/2008/inlineXBRL">10,455</ix:nonFraction>

<foo:my-thing id="42">Hello, World!</foo:my-thing>