\usepackage{xcolor}+
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%%\usepackage{fontspec}+
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\usepackage[sc]{mathpazo}+
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\usepackage{fontspec}+
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\setmainfont[Ligatures=TeX]{Palatino Linotype}+
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\usepackage{amssymb}+
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\usepackage{amsmath}+
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%\usepackage{menukeys}+
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\definecolor{darkblue}{rgb}{0,0,0.6}+
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\usepackage[colorlinks=true,urlcolor=darkblue,linkcolor=darkblue]{hyperref}+
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\usepackage{soul}+
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\usepackage{marginnote}+
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\usepackage{fontawesome5}+
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+
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%%% for regular expressions and values+
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\newcommand{\ZERO}{\mbox{\bf 0}}+
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\newcommand{\ONE}{\mbox{\bf 1}}+
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\newcommand{\Left}{\textit{Left}}+
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\newcommand{\Right}{\textit{Right}}+
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\newcommand{\Der}{\textit{Der}}+
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\newcommand{\der}{\textit{der}}+
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\newcommand{\Ders}{\textit{Ders}}+
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\newcommand{\ders}{\textit{ders}}+
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\newcommand{\inj}{\textit{inj}}+
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\newcommand{\nullable}{\textit{nullable}}+
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+
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+
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+
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+
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%%% url pointers+
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\newcommand{\hv}[1]{\href{#1}{\faFilm}}+
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\newcommand{\hr}[1]{\href{#1}{\faHandPointRight[regular]}}+
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\newcommand{\here}[1]{\marginnote{\href{#1}{\faHandPointRight[regular]}}}+
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\newcommand{\video}[1]{\marginnote{\href{#1}{\faFilm}}}+
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\newcommand{\alert}{\reversemarginpar\marginpar{\mbox{}\hfill\textcolor{red}{\faExclamationTriangle}}}+
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+
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+
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\newcommand{\dn}{\stackrel{\mbox{\scriptsize def}}{=}}+
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\newcommand{\defn}[1]{\textit{\textbf{#1}}}+
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\newcommand{\dq}[1]{\mbox{\tt{"}}#1\mbox{\tt{"}}}+
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+
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\definecolor{codegray}{gray}{0.9}+
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+
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\makeatletter+
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\def\fnote{\gdef\@thefnmark{}\@footnotetext}+
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\makeatother+
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+
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\newcommand{\HEADER}{{\bf Please submit your solutions via email. Please submit +
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only PDFs! Every solution should be preceeded by the corresponding +
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question text, like:+
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+
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\begin{center}+
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\begin{tabular}{ll}+
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Q$n$: & \ldots a difficult question from me\ldots\\+
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A:    & \ldots an answer from you \ldots\\+
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Q$n+1$ & \ldots another difficult question\ldots\\+
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A:     & \ldots another brilliant answer from you\ldots+
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\end{tabular}+
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\end{center}+
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+
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\noindent Solutions will only be accepted until 20th December! Please send only+
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one homework per email.}\bigskip}+
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+
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\newcommand{\POSTSCRIPT}{+
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{\bf (Optional)} This question is for you to provide +
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regular feedback to me: for example+
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what were the most interesting, least interesting, or confusing +
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parts in this lecture? Any problems with my Scala code? Please +
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feel free to share any other questions or concerns. Also, all my+
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material is \st{crap} imperfect. If you have any suggestions for+
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improvement, I am very grateful to hear.\medskip+
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+
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If *you* want to share anything (code, videos, links), you are+
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encouraged to do so. Just drop me an email.} +
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+
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+
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% CW deadlines+
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\def\cwONE{18 October}+
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\def\cwTWO{8 November}+
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\def\cwTHREE{29 November}+
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\def\cwFOUR{13 December}+
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\def\cwFIVE{24 January}+
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+
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\def\cwISABELLE{11 December}+
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