Rui Zheng zhengrui315

## download_coursera_jupyter_data.md

      
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                msis
                / download_coursera_jupyter_data.md
            
            
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              October 5, 2020 21:20
            
              
                [How to download coursera classes?] #coursera #jupyter #notebook
              
          
File > Open ...
Launch new terminal instance: New > Terminal
tarball the folder:

tar czvhf coursera.tar.gz *

a. split it (usually this file might be too large for your instance to allow download)

split -b 500M -d coursera.tar.gz coursera.

  
## README.md

      
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                tommct
                / README.md
            
            
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              January 9, 2022 09:02
            
              
                Instructions for downloading Jupyter Notebooks from Coursera
              
          
    From an open Jupyter Notebook homework assignment, select "Coursera" to take you to the home page.
Make a new notebook and fill it with the following and excute the cell with:
%%bash
tar cvfz hw.tar.gz .

This may take a little while to run depending on the packages.
Select "Coursera" again to take you to the Home directory.
Check the hw.tar.gz file and then Download.
After the file is downloaded, delete it.

  
## dijkstra.py
from collections import defaultdict
from heapq import *

def dijkstra(edges, f, t):
    g = defaultdict(list)
    for l,r,c in edges:
        g[l].append((c,r))

    q, seen, mins = [(0,f,())], set(), {f: 0}
    while q:
	from collections import defaultdict
	from heapq import *

	def dijkstra(edges, f, t):
	g = defaultdict(list)
	for l,r,c in edges:
	g[l].append((c,r))

	q, seen, mins = [(0,f,())], set(), {f: 0}
	while q: