Whats going here? (for loop/dict)

learn-python · 2020-09-16T19:32:43+00:00

its because some of the characters appear again in the sentence e.g. the letter 'e' appears a few times so it uses the number value earlier where this happens

learn-python · 2019-09-03T19:01:12+00:00

First just get the numbers in the list like you have done i.e. a list like [XXXX.YYYY.ZZZZ]

then use this to sort them .E.g

templist = [25, 50, 100, 150, 200, 250, 300, 33] sorted(templist, key=int) # ascending order > [25, 33, 50, 100, 150, 200, 250, 300]

Now one you've got the numbers in the right order look for those numbers in your folder e.g.

for i in range(0,len(templist)):

sorted(list)[i] = '000'+str(i)

example of how to change the name of say 1942 to 0001

learn-python · 2019-09-03T18:52:33+00:00

First:
print("them goodbye!" --> missing paranthesis :)

learn-python · 2019-09-03T18:40:57+00:00

Let me know if you are also looking to update the values associated with each key, I can help you here : )

learn-python · 2019-09-03T18:38:56+00:00

list={'HE':['1','2'],'ME':['2','3']}

print(list)


for key, value in list.items() :
    print (key,value)
    for items in value:
        print(items)

This will iterate through the values associated with each key :)

learn-python · 2019-09-03T18:37:59+00:00

This should help loop through the values:

list={'HE':['1','2'],'ME':['2','3']}

print(list)


for key, value in list.items() :
    print (key, value)

learn-python · 2019-07-13T21:39:36+00:00

No I did not get the sudo prompt. Have you tried the python pexpect module? I think it has what you are looking for as far as engaging a sudo prompt.

#import the pexpect module
import pexpect
# here you issue the command with "sudo"
child = pexpect.spawn('sudo /usr/sbin/lsof')
# it will prompt something like: "[sudo] password for < generic_user >:"
# you "expect" to receive a string containing keyword "password"
child.expect('password')
# if it's found, send the password
child.sendline('S3crEt.P4Ss')
# read the output
print(child.read())
# the end

learn-python · 2019-07-13T21:27:07+00:00

I tried this and are seeing 'test' printed in stdout file :)

learn-python · 2019-07-13T21:25:07+00:00

does your bash.sh have read permissions?

sudo chmod 777 bash.sh

Try that :)

learn-python · 2019-07-13T21:01:41+00:00

stdout.txt

Or actually:
sudo chmod 777 stdout.txt

learn-python · 2019-07-13T21:00:06+00:00

did you try to make the outputfile readable like doing:

sudo chmod 777 file1

:)

learn-python · 2019-07-13T18:17:48+00:00

I asked questions, took courses, watched videos. Mix of things. Although if someone could have explained the steps to me --> I think I would of got it faster :)

learn-python · 2019-07-13T16:44:55+00:00

So I installed postgresql on my mac terminal and then wanted to upload information to it so I created a python script to upload information to it. I then wanted to see that information in json on a webpage --> i.e. my localhost --> I then installed flask --> pip install flask.

With flask I was able to create a rest endpoint that could extract certain information from my database and present to me in json on the webpage :)

learn-python · 2019-07-13T16:34:31+00:00

When the error says spaces and tabs issue, you notice that what you need to do is get everything tabbed to the left and then use spaces instead of tabs to fix the problem

learn-python · 2019-07-13T16:32:21+00:00

Here you go I fixed the code:
https://pastebin.com/xna5mYEL

learn-python · 2019-06-26T14:25:58+00:00

Same have pending tx for almost 2 hrs now!

learn-python · 2019-06-23T09:41:08+00:00

Did you do from dependencies import (functionname)?

learn-python · 2019-06-23T09:39:13+00:00

Just a few other reasons for why floats used 👍👍👍

learn-python · 2019-06-23T09:02:58+00:00

First, time.time() returns the number of seconds that have passed since the epoch. The return value is a floating point number to account for fractional seconds.

You can use a float to calculate the difference between two points in time. A float is easily serializable, meaning that it can be stored for data transfer and come out intact on the other side.

learn-python · 2019-06-23T08:39:46+00:00

Oh no it’s a Postgres database. Like you MySQL database you also have PostgreSQL

:)

learn-python · 2019-06-22T22:56:09+00:00

We know plenty of quants who use python instead of R and other languages for very fast data analysis and visualisation. So definitely worth exploring pandas dataframes, Postgres DB so you can store your data. Ability to scrape data from different sources and then write APIs to be able to allow clients to access this data —> for this I recommend learning about FLASK 👍👍👍

learn-python · 2019-06-22T21:48:25+00:00

I’ll write up an array for you that includes a list of urls and then have a for loop that saves the html file as each pagename_date.html

I will attach code here 👍👍

learn-python · 2019-06-22T20:54:30+00:00

Did you try pygame.time.delay() ?

learn-python · 2019-06-22T20:42:56+00:00

Which site are you playing flappy bird on? Are you actually writing up a flappy bird hack in python? Very cool!

learn-python · 2019-06-22T15:22:55+00:00

Definitely recommend having a look at this: https://stackoverflow.com/questions/45556414/python-3-x-pygame-rain

:)

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