\documentclass[10pt,a4paper]{article}

% Packages
\usepackage{fancyhdr}           % For header and footer
\usepackage{multicol}           % Allows multicols in tables
\usepackage{tabularx}           % Intelligent column widths
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\usepackage{hhline}             % Border under tables
\usepackage{graphicx}           % For images
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%\usepackage[utf8x]{inputenc}    % For unicode character support
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\usepackage{colortbl}           % For coloured tables
\usepackage{setspace}           % For line height
\usepackage{lastpage}           % Needed for total page number
\usepackage{seqsplit}           % Splits long words.
%\usepackage{opensans}          % Can't make this work so far. Shame. Would be lovely.
\usepackage[normalem]{ulem}     % For underlining links
% Most of the following are not required for the majority
% of cheat sheets but are needed for some symbol support.
\usepackage{amsmath}            % Symbols
\usepackage{MnSymbol}           % Symbols
\usepackage{wasysym}            % Symbols
%\usepackage[english,german,french,spanish,italian]{babel}              % Languages

% Document Info
\author{eazykaye}
\pdfinfo{
  /Title (python3-pro-tips.pdf)
  /Creator (Cheatography)
  /Author (eazykaye)
  /Subject (Python3 Pro Tips Cheat Sheet)
}

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% the right line height in the tables
\renewcommand{\arraystretch}{1.3}
\onehalfspacing

% Commands
\newcommand{\SetRowColor}[1]{\noalign{\gdef\RowColorName{#1}}\rowcolor{\RowColorName}} % Shortcut for row colour
\newcommand{\mymulticolumn}[3]{\multicolumn{#1}{>{\columncolor{\RowColorName}}#2}{#3}} % For coloured multi-cols
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\newcommand{\tn}{\tabularnewline} % Required as custom column type in use

% Font and Colours
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\renewcommand{\familydefault}{\sfdefault}
\color{TextColor}

% Header and Footer
\pagestyle{fancy}
\fancyhead{} % Set header to blank
\fancyfoot{} % Set footer to blank
\fancyhead[L]{
\noindent
\begin{multicols}{3}
\begin{tabulary}{5.8cm}{C}
    \SetRowColor{DarkBackground}
    \vspace{-7pt}
    {\parbox{\dimexpr\textwidth-2\fboxsep\relax}{\noindent
        \hspace*{-6pt}\includegraphics[width=5.8cm]{/web/www.cheatography.com/public/images/cheatography_logo.pdf}}
    }
\end{tabulary}
\columnbreak
\begin{tabulary}{11cm}{L}
    \vspace{-2pt}\large{\bf{\textcolor{DarkBackground}{\textrm{Python3 Pro Tips Cheat Sheet}}}} \\
    \normalsize{by \textcolor{DarkBackground}{eazykaye} via \textcolor{DarkBackground}{\uline{cheatography.com/164268/cs/34572/}}}
\end{tabulary}
\end{multicols}}

\fancyfoot[L]{ \footnotesize
\noindent
\begin{multicols}{3}
\begin{tabulary}{5.8cm}{LL}
  \SetRowColor{FootBackground}
  \mymulticolumn{2}{p{5.377cm}}{\bf\textcolor{white}{Cheatographer}}  \\
  \vspace{-2pt}eazykaye \\
  \uline{cheatography.com/eazykaye} \\
  \end{tabulary}
\vfill
\columnbreak
\begin{tabulary}{5.8cm}{L}
  \SetRowColor{FootBackground}
  \mymulticolumn{1}{p{5.377cm}}{\bf\textcolor{white}{Cheat Sheet}}  \\
   \vspace{-2pt}Published 10th November, 2023.\\
   Updated 10th November, 2023.\\
   Page {\thepage} of \pageref{LastPage}.
\end{tabulary}
\vfill
\columnbreak
\begin{tabulary}{5.8cm}{L}
  \SetRowColor{FootBackground}
  \mymulticolumn{1}{p{5.377cm}}{\bf\textcolor{white}{Sponsor}}  \\
  \SetRowColor{white}
  \vspace{-5pt}
  %\includegraphics[width=48px,height=48px]{dave.jpeg}
  Measure your website readability!\\
  www.readability-score.com
\end{tabulary}
\end{multicols}}




\begin{document}
\raggedright
\raggedcolumns

% Set font size to small. Switch to any value
% from this page to resize cheat sheet text:
% www.emerson.emory.edu/services/latex/latex_169.html
\footnotesize % Small font.

\begin{multicols*}{2}

\begin{tabularx}{8.4cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{8.4cm}}{\bf\textcolor{white}{Reference Docs}}  \tn
\SetRowColor{white}
\mymulticolumn{1}{x{8.4cm}}{The Python Standard Library: \seqsplit{https://docs.python.org/3/library/} \newline % Row Count 2 (+ 2)
Built-in functions: \seqsplit{https://docs.python.org/3/library/functions.html\#dir} \newline % Row Count 4 (+ 2)
Datetime strftime Format Codes: https://strftime.org/% Row Count 6 (+ 2)
} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{8.4cm}}{\bf\textcolor{white}{Dicts}}  \tn
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{\# initializing \newline d1 = \{ 'k1': 'v1', 'k2': 'v2' \} \newline d2 = dict(k3='v3', k4='v4') \newline  \newline \# merging \newline d3 = d1|d2  \# python3.9  or later \newline d3 = \{ **d1, **d2 \} \newline  \newline \# comprehension syntax \newline d4 = \{ i:'static\_value' for i in some\_list \} \newline  \newline \# iterating \newline for k,v in d1.items(): \newline     print(f"Key \{k\} has a value of \{v\}")} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{8.4cm}}{\bf\textcolor{white}{Sets}}  \tn
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{s1 = \{1,2,3\} \newline s2 = \{3,4,5\} \newline s3 = \{5,6,7\} \newline  \newline s1.intersection(s2) \newline \# \{3\} \newline  \newline s1.union(s2) \newline \# \{1, 2, 3, 4, 5\} \newline  \newline s1.union(s2, s3) \newline \# \{1, 2, 3, 4, 5, 6, 7\}} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{8.4cm}}{\bf\textcolor{white}{Operators}}  \tn
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{\# ternary operators \newline x = 'foo' if 2+2==5 else 'bar'  \# x = 'bar'} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{x{4 cm} x{4 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{Precedence of Python Operators}}  \tn
% Row 0
\SetRowColor{LightBackground}
Operator & Meaning \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
( ) & Parentheses \tn 
% Row Count 2 (+ 1)
% Row 2
\SetRowColor{LightBackground}
** & Exponent \tn 
% Row Count 3 (+ 1)
% Row 3
\SetRowColor{white}
+x, -x, \textasciitilde{}x & Unary plus, Unary minus, Bitwise NOT \tn 
% Row Count 5 (+ 2)
% Row 4
\SetRowColor{LightBackground}
*, /, //, \% & Multiplication, Division, Floor division, Modulus \tn 
% Row Count 8 (+ 3)
% Row 5
\SetRowColor{white}
+, - & Addition, Subtraction \tn 
% Row Count 10 (+ 2)
% Row 6
\SetRowColor{LightBackground}
\textless{}\textless{}, \textgreater{}\textgreater{} & Bitwise shift operators \tn 
% Row Count 12 (+ 2)
% Row 7
\SetRowColor{white}
\& & Bitwise AND \tn 
% Row Count 13 (+ 1)
% Row 8
\SetRowColor{LightBackground}
\textasciicircum{} & Bitwise XOR \tn 
% Row Count 14 (+ 1)
% Row 9
\SetRowColor{white}
| & Bitwise OR \tn 
% Row Count 15 (+ 1)
% Row 10
\SetRowColor{LightBackground}
==, !=, \textgreater{}, \textgreater{}=, \textless{}, \textless{}=, is, is not, in, not in & Comparisons, Identity, Membership operators \tn 
% Row Count 18 (+ 3)
% Row 11
\SetRowColor{white}
not & Logical NOT \tn 
% Row Count 19 (+ 1)
% Row 12
\SetRowColor{LightBackground}
and & Logical AND \tn 
% Row Count 20 (+ 1)
% Row 13
\SetRowColor{white}
or & Logical OR \tn 
% Row Count 21 (+ 1)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{8.4cm}}{\bf\textcolor{white}{print()}}  \tn
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{\#\# 'sep' argument \#\# \newline print(1, 2, 3, sep="\textbackslash{}n") \newline \# 1 \newline \# 2 \newline \# 3 \newline  \newline \#\# end argument \#\# \newline print('address', end='@') \newline print('domain{[}.{]}com') \newline \# address@domain{[}.{]}com \newline  \newline \#\# repeat printing \#\# \newline print("Python" * 3) \newline \# PythonPythonPython} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{8.4cm}}{\bf\textcolor{white}{Argparse}}  \tn
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{import argparse \newline  \newline parser = \seqsplit{argparse.ArgumentParser()} \newline parser.add\_argument('-c', '-{}-count', type=int, required=True) \newline parser.add\_argument('-o', '-{}-operator', choices={[}'add', 'subtract'{]}) \newline parser.add\_argument('-n', '-{}-number', \seqsplit{dest='alternate\_variable\_name')} \newline parser.add\_argument('-v', '-{}-verbose', action='store\_true', help='enable verbose output') \newline args = parser.parse\_args() \newline  \newline print(args.count) \newline print(args.alternate\_variable\_name)} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{8.4cm}}{\bf\textcolor{white}{Classes}}  \tn
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{from dataclasses import dataclass \newline  \newline @dataclass \newline class Person(): \newline     name: str \newline     age: int \newline     employed: bool \newline  \newline     def \_\_repr\_\_(self): \newline         return f"Name: \{self.name\}, Age: \{self.age\}, Employed: \{self.employed\}" \newline  \newline class Car: \newline     def \_\_init\_\_(self, make, model): \newline         self.make = make \newline         self.model = model \newline  \newline     def OtherFunction(self): \newline         pass} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{8.4cm}}{\bf\textcolor{white}{Strings}}  \tn
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{"AAABBCCCC".count('C')  \# 4 \newline "AAABBCCCC".index('B')  \# 3 \newline  \newline "   strip both sides   ".strip()  \# 'strip both sides' \newline "   strip left side   ".lstrip()  \# 'strip left side   ' \newline "   strip right side   ".rstrip()  \# '   strip right side' \newline  \newline ",".join({[}'list', 'of', 'words', 'to', 'join'{]})  \# "list, of, words, to, join"} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{String Methods ref: \seqsplit{https://docs.python.org/3/library/stdtypes.html\#string-methods} \newline F-String ref: \seqsplit{https://cheatography.com/eazykaye/cheat-sheets/python3-f-strings/}}  \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{8.4cm}}{\bf\textcolor{white}{Lists}}  \tn
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{\# merge lists \newline list3 = list1 + list2 \newline  \newline \# basic list comprehension \newline \# syntax: {[}exp for member in iterable (if conditional){]} \newline {[}x for x in range(10) if x \textgreater{} 5{]}  \# {[}6, 7, 8, 9{]} \newline  \newline \# nested list comprehension \newline {[}f"\{x\}\{y\}" for x in "ab" for y in "cd"{]}  \# {[}'ac', 'ad', 'bc', 'bd'{]} \newline  \newline \# slicing  |  syntax: List{[} Start Index : End Index(not inclusive) : Step {]} \newline L1 = {[}0,1,2,3,4,5,6,7,8,9{]} \newline L1{[}4:7{]}  \# {[}4, 5, 6{]} \newline L1{[}::2{]}  \# {[}0, 2, 4, 6, 8{]} \newline L1{[}::-1{]}  \# {[}9, 8, 7, 6, 5, 4, 3, 2, 1, 0{]} \newline  \newline \# unpacking \newline first, *middle, last = {[}0,1,2,3,4,5,6,7,8,9{]} \newline   \# first = 0 \newline   \# middle = {[}1, 2, 3, 4, 5, 6, 7, 8{]} \newline   \# last = 9 \newline  \newline \# zip \newline a = {[}1, 2, 3{]} \newline b = {[}4, 5, 6{]} \newline z = zip(a, b) \newline list(z) \newline \# {[}(1, 4), (2, 5), (3, 6){]}} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{8.4cm}}{\bf\textcolor{white}{Maths}}  \tn
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{round(5.2)  \# 5 \newline round(5.7)  \# 6 \newline  \newline from math import floor, ceil \newline floor(5.2)  \# 5 \newline ceil(5.2)  \# 6 \newline  \newline abs(-5.2)  \# 5.2 \newline min({[}1,2,3{]})  \# 1 \newline max({[}1,2,3{]})  \# 3 \newline sum({[}1,2,3{]})  \# 6} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{8.4cm}}{\bf\textcolor{white}{Misc}}  \tn
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{\#eval() \newline  \newline exp = "2 + 2" \newline eval(exp)  \# 4 \newline  \newline exp = "+".join({[}str(n) for n in range(9){]}) \newline print(exp)  \#  '0+1+2+3+4+5+6+7+8' \newline eval(exp)  \# 36 \newline  \newline all({[} 2 \textgreater{} 1, 3 \textgreater{} 2, 4 \textgreater{} 5 {]}) \newline \# False \newline  \newline any({[} 2 \textgreater{} 1, 3 \textgreater{} 2, 4 \textgreater{} 5 {]}) \newline \# True} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{8.4cm}}{\bf\textcolor{white}{Logging}}  \tn
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{import logging \newline from logging.handlers import RotatingFileHandler, TimedRotatingFileHandler \newline  \newline logger = \seqsplit{logging.getLogger("logger\_name")} \newline logger.setLevel(logging.DEBUG) \newline fmtr = \seqsplit{logging.Formatter('\%(asctime)s} - \%(levelname)s - {[}line \%(lineno)s{]} - \%(message)s') \newline logfile = '/path/to/log/file' \newline  \newline fh = \seqsplit{TimedRotatingFileHandler(logfile}, when='midnight', interval=1, backupCount=30) \newline fh.setFormatter(fmtr) \newline fh.setLevel(logging.DEBUG) \newline logger.addHandler(fh) \newline  \newline ch = logging.StreamHandler() \newline ch.setFormatter(fmtr) \newline ch.setLevel(logging.DEBUG) \newline logger.addHandler(cd)} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{8.4cm}}{\bf\textcolor{white}{Exception Handling}}  \tn
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{try: \newline     \# code here \newline except Exception as e: \newline     \seqsplit{logger.critical("Exception} running that code!") \newline     logger.critical(e, exc\_info=True) \newline else: \newline     \#runs if no exceptions were raised \newline finally \newline     \#always runs, good for closing resources and such} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{8.4cm}}{\bf\textcolor{white}{OS}}  \tn
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{import os, glob \newline  \newline \# concatenate file paths \newline filepath = os.path.join('/tmp/', 'subdir', 'filename.txt')  \# \seqsplit{'/tmp/subdir/filename.txt'} \newline  \newline \# read in files using context manager \newline with open(filepath, 'r') as f: \newline     file\_contents = f.readlines()} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}


% That's all folks
\end{multicols*}

\end{document}