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| -rw-r--r-- | getting-started-files/script.rst | 33 |
1 files changed, 7 insertions, 26 deletions
diff --git a/getting-started-files/script.rst b/getting-started-files/script.rst index 1a77eb8..25912f2 100644 --- a/getting-started-files/script.rst +++ b/getting-started-files/script.rst @@ -77,7 +77,7 @@ to see more explicitly, what it contains. Following is an exercise that you must do. -.. #[[Anoop:add context switch to next slide - questions]] +{{ show slide with Question 1 }} %%1%% Split the variable into a list, ``pend_list``, of the lines in the file. Hint, use the tab command to see what methods the string @@ -85,14 +85,7 @@ variable has. Please, pause the video here. Do the exercise and then continue. -.. #[punch: should this even be put? add dependency to strings LO, -.. where we mention that strings have methods for manipulation. hint: -.. use splitlines()] - -.. #[[Anoop: let us have it here, let us consider this as a - refresher]] - -.. #[[Anoop:add context switch to next slide - solution]] +{{ show slide with Solution 1 }} :: @@ -104,12 +97,6 @@ Now, let us learn to read the file line-by-line. But, before that we will have to close the file, since the file has already been read till the end. -.. #[punch: should we mention file-pointer?] - -.. #[[Anoop: I think we can say that ``f`` is a file pointer which - points to the next line/data to be read from the file. We could - skip details.]] - Let us close the file opened into f. :: @@ -146,12 +133,9 @@ the file line-wise and print each of the lines. for line in f: print line -As we already know, ``line`` is just a dummy variable, and not a -keyword. We could have used any other variable name, but ``line`` -seems meaningful enough. - -.. #[[Anoop: using dummy variable doesn't seem correct, can say line - is a variable]] +As we already know, ``line`` is variable, sometimes called the loop +variable, and it is not a keyword. We could have used any other +variable name, but ``line`` seems meaningful enough. Instead of just printing the lines, let us append them to a list, ``line_list``. We first initialize an empty list, ``line_list``. @@ -181,15 +165,12 @@ with the newline characters. If you noticed, ``pend_list`` did not contain the newline characters, because the string ``pend`` was split on the newline characters. -.. #[[Anoop: I think we need to tell them that each line can be - stripped and appended to list to avoid the problem of newline - characters.]] +Using some string methods, that we shall look at in the tutorial on +strings, we can strip out the newline characters from the lines. .. #[[Anoop: I think the code that are required to be typed can be added to the slide.]] -.. #[[Anoop: Context switches are to be added.]] - {{{ show the summary slide }}} That brings us to the end of this tutorial. In this tutorial we |