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%\usepackage[english,german,french,spanish,italian]{babel}              % Languages

% Document Info
\author{Nima (nimakarimian)}
\pdfinfo{
  /Title (python3-lists-everything-you-need-to-know.pdf)
  /Creator (Cheatography)
  /Author (Nima (nimakarimian))
  /Subject (Python3 Lists: Everything you need to know Cheat Sheet)
}

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\fancyhead[L]{
\noindent
\begin{multicols}{3}
\begin{tabulary}{5.8cm}{C}
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    \vspace{-7pt}
    {\parbox{\dimexpr\textwidth-2\fboxsep\relax}{\noindent
        \hspace*{-6pt}\includegraphics[width=5.8cm]{/web/www.cheatography.com/public/images/cheatography_logo.pdf}}
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\begin{tabulary}{11cm}{L}
    \vspace{-2pt}\large{\bf{\textcolor{DarkBackground}{\textrm{Python3 Lists: Everything you need to know Cheat Sheet}}}} \\
    \normalsize{by \textcolor{DarkBackground}{Nima (nimakarimian)} via \textcolor{DarkBackground}{\uline{cheatography.com/113429/cs/23511/}}}
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\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}Nima (nimakarimian) \\
  \uline{cheatography.com/nimakarimian} \\
        \uline{\seqsplit{www}.nimakarimian.ir}
  \end{tabulary}
\vfill
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  \mymulticolumn{1}{p{5.377cm}}{\bf\textcolor{white}{Cheat Sheet}}  \\
   \vspace{-2pt}Published 26th June, 2020.\\
   Updated 12th July, 2020.\\
   Page {\thepage} of \pageref{LastPage}.
\end{tabulary}
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  %\includegraphics[width=48px,height=48px]{dave.jpeg}
  Measure your website readability!\\
  www.readability-score.com
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\begin{document}
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% www.emerson.emory.edu/services/latex/latex_169.html
\footnotesize % Small font.

\begin{multicols*}{3}

\begin{tabularx}{5.377cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{5.377cm}}{\bf\textcolor{white}{Summing and multiplying}}  \tn
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{nums = {[}1, 2, 3{]} \newline print(nums + {[}4, 5, 6{]}) \newline print(nums * 3)} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{Lists can be added and multiplied in the same way as strings.}  \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{5.377cm}}{\bf\textcolor{white}{"insert" FUNCTION}}  \tn
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{words = {[}"Python", "fun"{]} \newline index = 1 \newline words.{\bf{insert}}(index, "is") \newline print(words) \newline -{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}- \newline \textgreater{}\textgreater{}\textgreater{} \newline {[}'Python', 'is', 'fun'{]} \newline \textgreater{}\textgreater{}\textgreater{}} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{insert method is similar to append, except that it allows you to insert a new item at any position in the list, as opposed to just at the end.}  \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{5.377cm}}{\bf\textcolor{white}{"range" FUNCTION}}  \tn
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{numbers = list(range(5, 20, 2)) \newline print(numbers) \newline -{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}- \newline \textgreater{}\textgreater{}\textgreater{} \newline {[}5, 7, 9, 11, 13, 15, 17, 19{]} \newline \textgreater{}\textgreater{}\textgreater{}} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{{\emph{ {\bf{The range function creates a sequential list of numbers.}} \newline }}If range is called with one argument, it produces an object with values from 0 to that argument. \newline If it is called with two arguments, it produces values from the first to the second. \newline *range can have a third argument, which determines the {\bf{interval}} of the sequence produced}  \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{5.377cm}}{\bf\textcolor{white}{ALL \& ANY}}  \tn
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{nums = {[}55, 44, 33, 22, 11{]} \newline  \newline if all({[}i \textgreater{} 5 for i in nums{]}): \newline    print("All larger than 5") \newline  \newline if any({[}i \% 2 == 0 for i in nums{]}): \newline    print("At least one is even")} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{Often used in conditional statements, all and any take a list as an argument, and return True if all or any (respectively) of their arguments evaluate to True (and False otherwise).}  \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{5.377cm}}{\bf\textcolor{white}{IN and NOT operator}}  \tn
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{words = {[}"spam", "egg", "spam", "sausage"{]} \newline print("spam" {\bf{in}} words) \#RETURNS TRUE \newline -{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}- \newline nums = {[}1, 2, 3{]} \newline print({\bf{not}} 4 {\bf{in}} nums) \#RETURNS TRUE \newline print(4 {\bf{not in}} nums)} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{The in operator is also used to determine whether or not a string is a substring of another string.}  \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{5.377cm}}{\bf\textcolor{white}{"index" FUNCTION}}  \tn
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{letters = {[}'p', 'q', 'r', 's', 'p', 'u'{]} \newline print(letters.index('r')) \newline print(letters.index('z')) \newline -{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}- \newline \textgreater{}\textgreater{}\textgreater{} \newline 2 \newline ValueError: 'z' is not in list \newline \textgreater{}\textgreater{}\textgreater{}} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{{\bf{index}} method finds the first occurrence of a list item and returns its index.}  \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{5.377cm}}{\bf\textcolor{white}{List comprehensions}}  \tn
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{cubes = {[}i{\bf{3 for i in range(5){]} \newline print(cubes) \newline \textgreater{}\textgreater{}\textgreater{} \newline {[}0, 1, 8, 27, 64{]} \newline \textgreater{}\textgreater{}\textgreater{} \newline  \newline A list comprehension can also contain an if statement to enforce a condition on values in the list. \newline evens={[}i}}2 for i in range(10) if i**2 \% 2 == 0{]} \newline  \newline print(evens) \newline \textgreater{}\textgreater{}\textgreater{} \newline {[}0, 4, 16, 36, 64{]} \newline \textgreater{}\textgreater{}\textgreater{}} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{Trying to create a list in a very extensive range will result in a MemoryError.}  \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{5.377cm}}{\bf\textcolor{white}{ENUMERATE}}  \tn
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{nums = {[}55, 44, 33, 22, 11{]} \newline  \newline for v in enumerate(nums): \newline    print(v) \newline  \newline -{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}- \newline (0, 55) \newline (1, 44) \newline (2, 33) \newline (3, 22) \newline (4, 11)} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{The function enumerate can be used to iterate through the values and indices of a list simultaneously.}  \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{5.377cm}}{\bf\textcolor{white}{"append" FUNCTION}}  \tn
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{nums = {[}1, 2, 3{]} \newline nums.{\bf{append}}(4) \newline print(nums) \newline -{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}- \newline \textgreater{}\textgreater{}\textgreater{} \newline {[}1, 2, 3, 4{]} \newline \textgreater{}\textgreater{}\textgreater{}} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{This adds an item to the end of an existing list.}  \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{5.377cm}}{\bf\textcolor{white}{"Len" FUNCTION}}  \tn
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{nums = {[}1, 3, 5, 2, 4{]} \newline print(len(nums)) \newline -{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}- \newline \textgreater{}\textgreater{}\textgreater{} \newline 5 \newline \textgreater{}\textgreater{}\textgreater{}} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{5.377cm}}{\bf\textcolor{white}{List slicing 1}}  \tn
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{squares = {[}0, 1, 4, 9, 16, 25, 36, 49, 64, 81{]} \newline print(squares{[}2:6{]}) \newline print(squares{[}3:8{]}) \newline -{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}- \newline {[}4, 9, 16, 25{]} \newline {[}9, 16, 25, 36, 49{]}} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{Basic list slicing involves indexing a list with two colon-separated integers.}  \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{5.377cm}}{\bf\textcolor{white}{List slicing 2}}  \tn
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{squares = {[}0, 1, 4, 9, 16, 25, 36, 49, 64, 81{]} \newline print(squares{[}::2{]}) \newline print(squares{[}2:8:3{]}). \newline ................... \newline \textgreater{}\textgreater{}\textgreater{} \newline {[}0, 4, 16, 36, 64{]} \newline {[}4, 25{]} \newline \textgreater{}\textgreater{}\textgreater{} \newline .................... \newline Negative values can be used in list slicing (and normal list indexing). When negative values are used for the first and second values in a slice (or a normal index), they count from the end of the list. \newline squares = {[}0, 1, 4, 9, 16, 25, 36, 49, 64, 81{]} \newline print(squares{[}1:-1{]}) \newline \textgreater{}\textgreater{}\textgreater{} \newline {[}1, 4, 9, 16, 25, 36, 49, 64{]} \newline \textgreater{}\textgreater{}\textgreater{} \newline If a negative value is used for the step, the slice is done backwards. \newline Using {[}::-1{]} as a slice is a common and idiomatic way to reverse a list.} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{List slices can also have a third number, representing the step, to include only alternate values in the slice.}  \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}


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

\end{document}