text stringlengths 1 81 | start float64 0 10.1k | duration float64 0 24.9 |
|---|---|---|
saying hello to Hermione to Harry to Ron | 1,064.039 | 4.02 |
to Draco but there's these gaps now | 1,065.96 | 4.579 |
between the lines | 1,068.059 | 5.581 |
what's explains that symptom if if | 1,070.539 | 5.02 |
nothing else it just looks ugly it | 1,073.64 | 4.32 |
happens because in the text file we have | 1,075.559 | 5.641 |
new line symbols uh in between those | 1,077.96 | 6.3 |
names and the print always adds another | 1,081.2 | 6.479 |
new line at the end so you you use the | 1,084.26 | 5.94 |
same symbol twice perfect and here's a | 1,087.679 | 4.38 |
good example of a bug a mistake in a | 1,090.2 | 3.18 |
program but if you just think about | 1,092.059 | 3.961 |
those first principles like how do each | 1,093.38 | 4.799 |
of the lines of code work that I'm using | 1,096.02 | 3.72 |
you should be able to reason exactly as | 1,098.179 | 3.12 |
Rafal did there to say that all right | 1,099.74 | 2.88 |
well one of those new lines is coming | 1,101.299 | 3.601 |
from the file after each name and then | 1,102.62 | 4.02 |
of course print all of these Weeks Later | 1,104.9 | 3.96 |
is still giving us for free that extra | 1,106.64 | 4.08 |
new line so there's a couple of possible | 1,108.86 | 4.08 |
solutions I could certainly do this | 1,110.72 | 4.079 |
which we've done in the past and pass in | 1,112.94 | 3.66 |
a named argument to print like end | 1,114.799 | 4.921 |
equals quote unquote and that's fine I | 1,116.6 | 4.62 |
would argue a little better than that | 1,119.72 | 3.42 |
might actually be to do this to strip | 1,121.22 | 4.86 |
off of the end of the line the actual | 1,123.14 | 4.919 |
new line itself so that print is | 1,126.08 | 3.9 |
handling the printing of everything the | 1,128.059 | 3.601 |
person's name game as well as the new | 1,129.98 | 4.14 |
line but you're just stripping off what | 1,131.66 | 4.379 |
is really just an implementation detail | 1,134.12 | 4.38 |
in the file we chose to use new lines in | 1,136.039 | 4.741 |
my text file to separate one name from | 1,138.5 | 4.799 |
another so arguably it should be a | 1,140.78 | 4.44 |
little cleaner in terms of design to | 1,143.299 | 4.201 |
strip that off and then let print print | 1,145.22 | 4.44 |
out what is really just now a name but | 1,147.5 | 3.66 |
that's ultimately a design decision the | 1,149.66 | 4.139 |
effect is going to be exactly the same | 1,151.16 | 6.36 |
well if I'm going to open this file and | 1,153.799 | 6.061 |
read all the lines and then iterate over | 1,157.52 | 3.96 |
all of those lines and print them each | 1,159.86 | 3.48 |
out I could actually combine this into | 1,161.48 | 3.66 |
one thing because right now I'm doing | 1,163.34 | 3.6 |
twice as much work I'm reading all of | 1,165.14 | 4.38 |
the lines then I'm iterating over all of | 1,166.94 | 4.92 |
the lines just to print out each of them | 1,169.52 | 4.56 |
well in Python with files you can | 1,171.86 | 3.78 |
actually do this I'm going to erase | 1,174.08 | 3.9 |
almost all of these lines now keeping | 1,175.64 | 4.919 |
only the with statement at top and | 1,177.98 | 4.559 |
inside of this with statement I'm going | 1,180.559 | 6.061 |
to say this for line in file go ahead | 1,182.539 | 6.421 |
and print out quote unquote hello comma | 1,186.62 | 4.98 |
and then line Dot R strip so I'm going | 1,188.96 | 3.839 |
to take the approach of stripping off | 1,191.6 | 3.42 |
the end of the line but notice how | 1,192.799 | 5.101 |
elegant this is so to speak I've opened | 1,195.02 | 5.039 |
the file in line one and if I want to | 1,197.9 | 4.2 |
iterate over every line in the file I | 1,200.059 | 4.141 |
don't have to very explicitly load all | 1,202.1 | 4.319 |
read all the lines then iterate over all | 1,204.2 | 3.719 |
of the lines I can combine this into one | 1,206.419 | 3.901 |
thought it in Python you can simply say | 1,207.919 | 4.681 |
for line and file and that's going to | 1,210.32 | 3.719 |
have the effect of giving you a for Loop | 1,212.6 | 3.42 |
that iterates over every line in the | 1,214.039 | 3.901 |
file one at a time and on each iteration | 1,216.02 | 4.38 |
updating the value of this variable line | 1,217.94 | 6.359 |
to be Hermione then Harry then Ron then | 1,220.4 | 6.12 |
Draco so this again is one of the | 1,224.299 | 4.201 |
appealing aspects of python is that it | 1,226.52 | 3.779 |
reads rather like English for line and | 1,228.5 | 4.679 |
file print this it's a little more | 1,230.299 | 5.581 |
compact when written this way well what | 1,233.179 | 3.661 |
if though | 1,235.88 | 2.94 |
I don't want quite this Behavior because | 1,236.84 | 4.319 |
notice now if I run python of names.pi | 1,238.82 | 4.739 |
it's correct I'm seeing each of the | 1,241.159 | 4.26 |
names and each of the hellos and there's | 1,243.559 | 5.1 |
no Extra Spaces in between but just to | 1,245.419 | 5.64 |
be difficult I'd really like us to be | 1,248.659 | 4.681 |
sorting these hellos really I'd like to | 1,251.059 | 4.98 |
see Draco first then Harry then Hermione | 1,253.34 | 4.5 |
then Ron no matter what order they | 1,256.039 | 4.02 |
appear in the file so I could go in of | 1,257.84 | 3.839 |
course to the file and manually change | 1,260.059 | 3.12 |
the file but if that file is changing | 1,261.679 | 3.601 |
over time based on who is typing their | 1,263.179 | 3.661 |
name into the program that's not really | 1,265.28 | 3.42 |
a good solution in code I should be able | 1,266.84 | 3.54 |
to load the file no matter what it looks | 1,268.7 | 4.8 |
like and just sort it all at once now | 1,270.38 | 5.7 |
here is a reason to not do what I've | 1,273.5 | 6.12 |
just done I can't iterate over each line | 1,276.08 | 6.12 |
in the file and print it out but sort | 1,279.62 | 4.86 |
everything in advance right logically if | 1,282.2 | 4.32 |
I'm looking at each line one at a time | 1,284.48 | 4.5 |
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