diff options
Diffstat (limited to 'day1')
| -rwxr-xr-x | day1/cheatsheet2.tex | 19 |
1 files changed, 14 insertions, 5 deletions
diff --git a/day1/cheatsheet2.tex b/day1/cheatsheet2.tex index a29d436..0b61e7c 100755 --- a/day1/cheatsheet2.tex +++ b/day1/cheatsheet2.tex @@ -124,15 +124,24 @@ Out[]: ['hello', ' world'] # Note the whitespace before 'world' A string can be split based on the delimiter specified within quotes. A combination of more than one delimiter can also be used.\\ \typ{In []: greet.split(', ')}\\ \typ{Out[]: ['hello', 'world']}\\Note the whitespace is not there anymore. - +\newpage \section{Plotting from Files} -\subsection{Opening, reading and writing files} +\subsection{Opening files} + +\typ{In []: f = open('datafile.txt')}\\By default opens in read mode. \\If file does not exist then it throws an exception\\ +\typ{In []: f = open('datafile.txt','r')}\\Specifying the read mode\\ +\typ{In []: f = open('datafile.txt', 'w')}\\Opens the file in write mode. \\If the file already exists, then it deletes all the previous content and opens. + +\subsection{Reading from files} +Just like lists files are iterable as well. \begin{lstlisting} - In []: f = open('datafile.txt') #By default opens in read mode. If file does not exist then it throws an exception - In []: f = open('datafile.txt','r') #Specifying the read mode - In []: f = open('datafile.txt', 'w') #Opens the file in write mode. If the file already exists, then it deletes all the previous content and opens. + In []: for line in f: + ...: print line + ...: + ...: \end{lstlisting} + \subsection{Plotting} \begin{lstlisting} l = [] |