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author | Prabhu Ramachandran | 2017-11-13 13:54:23 +0530 |
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committer | Prabhu Ramachandran | 2017-11-13 13:54:23 +0530 |
commit | 3150557cb953c95ef3e57cce356ea0196f3183ff (patch) | |
tree | 1f52128db7574dd227f68eb9d91ccf0c1aca5d2b | |
parent | f43af0023d3a70ecebb18e0c18cebcffdd4ca21c (diff) | |
download | python-workshops-3150557cb953c95ef3e57cce356ea0196f3183ff.tar.gz python-workshops-3150557cb953c95ef3e57cce356ea0196f3183ff.tar.bz2 python-workshops-3150557cb953c95ef3e57cce356ea0196f3183ff.zip |
Split only_kwarg_closure into two.
-rw-r--r-- | advanced_python/Makefile | 3 | ||||
-rw-r--r-- | advanced_python/closures.tex (renamed from advanced_python/only_kwarg_closure.tex) | 79 | ||||
-rw-r--r-- | advanced_python/only_kwargs.tex | 102 |
3 files changed, 106 insertions, 78 deletions
diff --git a/advanced_python/Makefile b/advanced_python/Makefile index 6bbe2f5..a9d95d2 100644 --- a/advanced_python/Makefile +++ b/advanced_python/Makefile @@ -7,7 +7,8 @@ SLIDES= intro.pdf \ names_objects.pdf \ varargs_kwargs.pdf \ - only_kwarg_closure.pdf + only_kwargs.pdf \ + closures.pdf all: $(SLIDES) diff --git a/advanced_python/only_kwarg_closure.tex b/advanced_python/closures.tex index 0d052e0..1c17c7b 100644 --- a/advanced_python/only_kwarg_closure.tex +++ b/advanced_python/closures.tex @@ -2,8 +2,8 @@ \input{macros.tex} -\title[only kwargs]{Advanced Python} -\subtitle{Keyword-only args and closures} +\title[Closures]{Advanced Python} +\subtitle{Closures} \author[FOSSEE] {The FOSSEE Group} @@ -19,87 +19,12 @@ \begin{frame} \frametitle{Overview} \begin{itemize} - \item Only-keyword arguments \item Higher-order functions \item Closures \end{itemize} \end{frame} \begin{frame}[fragile] - \frametitle{Motivation} - \begin{itemize} - \item One can mix positional and keyword arguments - \end{itemize} - \begin{lstlisting} -In []: def f(a, b=2): - ...: print(a, b) - -In []: f(a=2, b=3) -2 3 - -In []: f(b=2, a=3) -3 2 - -In []: f(10, 20) -1 2 -\end{lstlisting} -\end{frame} - -\begin{frame}[fragile] - \frametitle{Motivation} - \begin{itemize} - \item Function changes: positional arguments change in order or number - \item Accidentally passing an extra argument - \item Can we have purely keyword arguments? - - \vspace*{0.5in} - \item Yes, in Python 3.x! - \end{itemize} -\end{frame} - -\begin{frame}[fragile] - \frametitle{Keyword-only arguments} - \begin{lstlisting} -In []: def f(a, *args, b=False): - ...: print(a, args, b) - -In []: f(1, 20) -1 (20,) False - -In []: f(1, b=20) -1 () 20 -\end{lstlisting} -\end{frame} - -\begin{frame}[fragile] - \frametitle{Keyword-only arguments} - \noindent Without any extra arguments: -\vspace*{0.25in} - \begin{lstlisting} -In []: def f(a, *, b=False): - ...: print(a, b) - -In []: f(1, 20) -TypeError: f() takes 1 positional arg... -\end{lstlisting} -\pause - \begin{lstlisting} -In []: f(1, b=20) -1 20 - \end{lstlisting} -\end{frame} - -\begin{frame} - \frametitle{Discussion} - \begin{itemize} - \item Solves the problem nicely - \item \typ{b}: can only be specified as keyword argument - - \item Cannot be called as a positional argument - \end{itemize} -\end{frame} - -\begin{frame}[fragile] \frametitle{Recap of higher-order functions} \begin{lstlisting} In []: def sqr(x): diff --git a/advanced_python/only_kwargs.tex b/advanced_python/only_kwargs.tex new file mode 100644 index 0000000..f812812 --- /dev/null +++ b/advanced_python/only_kwargs.tex @@ -0,0 +1,102 @@ +\documentclass[14pt,compress]{beamer} + +\input{macros.tex} + +\title[only kwargs]{Advanced Python} +\subtitle{Keyword-only arguments} + +\author[FOSSEE] {The FOSSEE Group} + +\institute[IIT Bombay] {Department of Aerospace Engineering\\IIT Bombay} +\date[] {Mumbai, India} + +\begin{document} + +\begin{frame} + \titlepage +\end{frame} + +\begin{frame} + \frametitle{Overview} + \begin{itemize} + \item Only-keyword arguments + \item Higher-order functions + \end{itemize} +\end{frame} + +\begin{frame}[fragile] + \frametitle{Motivation} + \begin{itemize} + \item One can mix positional and keyword arguments + \end{itemize} + \begin{lstlisting} +In []: def f(a, b=2): + ...: print(a, b) + +In []: f(a=2, b=3) +2 3 + +In []: f(b=2, a=3) +3 2 + +In []: f(10, 20) +1 2 +\end{lstlisting} +\end{frame} + +\begin{frame}[fragile] + \frametitle{Motivation} + \begin{itemize} + \item Function changes: positional arguments change in order or number + \item Accidentally passing an extra argument + \item Can we have purely keyword arguments? + + \vspace*{0.5in} + \item Yes, in Python 3.x! + \end{itemize} +\end{frame} + +\begin{frame}[fragile] + \frametitle{Keyword-only arguments} + \begin{lstlisting} +In []: def f(a, *args, b=False): + ...: print(a, args, b) + +In []: f(1, 20) +1 (20,) False + +In []: f(1, b=20) +1 () 20 +\end{lstlisting} +\end{frame} + +\begin{frame}[fragile] + \frametitle{Keyword-only arguments} + \noindent Without any extra arguments: +\vspace*{0.25in} + \begin{lstlisting} +In []: def f(a, *, b=False): + ...: print(a, b) + +In []: f(1, 20) +TypeError: f() takes 1 positional arg... +\end{lstlisting} +\pause + \begin{lstlisting} +In []: f(1, b=20) +1 20 + \end{lstlisting} +\end{frame} + +\begin{frame} + \frametitle{Discussion} + \begin{itemize} + \item Solves the problem nicely + \item \typ{b}: can only be specified as keyword argument + + \item Cannot be called as a positional argument + \end{itemize} +\end{frame} + + +\end{document} |