+- Python Forum (https://python-forum.io)
+-- Forum: Python Coding (https://python-forum.io/forum-7.html)
+--- Forum: General Coding Help (https://python-forum.io/forum-8.html)
+--- Thread: Writing list as a file, then reading that file as a list (/thread-21835.html)
Writing list as a file, then reading that file as a list - Zoastria_Balnala - Oct-16-2019
I have a python script that generates date from a simulation. (Python version 2.7)
I am trying to write that simulated data to text files, then open these files in another python script. What I need in the end is a 1000x200 matrix of floats. I have the following code for writing the files.
tradereturn = agent.trade(agentset,t,G,seller,buyer,connections,tradeprobability,buyer_contpayoff[t],seller_contpayoff[t],buyer_offer[t],seller_offer[t]) print(tradereturn) gains.append(tradereturn[0]) #gains is a list that should have about 200 entries trade.append(tradereturn[1]) #trade is a list In each of my 1000 rounds, my ~200 length list gets written to gainstext for listitem in gains: gainstext.write('%s\n' % listitem) Then, I import it in another script as: gains = open("gains.txt", "r") if gains.mode == "r": contents = gains.readlines() print(contents) print(type(contents)) print(len(contents)) contents = str(contents) print(len(contents))As a list, I get only a list of length 1. As a string it is a string of length 2million and something. It shows up as a long list of floats saperated by commas, here is a sampl:Output:1.7130853299339677, 1.7130853299339677, 1.7130853299339677, 1.7130853299339677, 1.7130853299339677, 1.7130853299339677, 1.7130853299339677, 1.7130853299339677, 1.7130853299339677, 1.7130853299339677, 1.7130853299339677, 1.7130853299339677, 1.7130853299339677, 1.7130853299339677, 1.7130853299339677, 1.7130853299339677, 1.7130853299339677, 1.7130853299339677, 1.7130853299339677, 1.7130853299339677, 1.7130853299339677, 1.7130853299339677, 1.7130853299339677, 1.7130853299339677, 1.7130853299339677, 1.7130853299339677, 1.7130853299339677, 1.7130853299339677, 1.7130853299339677, 1.7130853299339677, 1.7130853299339677, 1.7130853299339677, 1.7130853299339677, 1.7130853299339677, 1.7130853299339677, 1.7130853299339677, 1.7130853299339677, 1.7130853299339677, 1.7130853299339677, 1.7130853299339677, 1.7130853299339677, 1.7130853299339677, 1.7130853299339677, 1.7130853299339677, 1.7130853299339677, 1.7130853299339677, 1.7130853299339677, 1.7130853299339677, 1.7130853299339677, 1.7130853299339677, 1.7130853299339677, 1.7130853299339677, 1.7130853299339677, 1.7130853299339677, 1.7130853299339677, 1.7130853299339677, 1.7130853299339677, 1.7130853299339677, 1.7130853299339677, 1.7130853299339677, 1.7130853299339677, 1.7130853299339677, 1.7130853299339677, 1.7130853299339677, 1.7130853299339677, 0.6261130766021059, 0.7265157347076596, 0.7265157347076596, 0.7265157347076596, 0.7265157347076596, 0.7265157347076596, 0.7265157347076596, 0.7265157347076596, 0.7265157347076596, 0.7265157347076596, 0.7265157347076596, 0.7265157347076596, 1.5338201626994945]']I am using the following python packages:
networkx
matplotlib.pyplot
numpy
scipy stats
random
pandas as pd
seaborn
RE: Writing list as a file, then reading that file as a list - metulburr - Oct-16-2019
(Oct-16-2019, 08:52 PM)Zoastria_Balnala Wrote: I want each number between the commas to be a separate entry.
contents.split(',') should split it by the comma. Not sure if there is a faster way since its a long string.>>> s = '1.7130853299339677, 1.7130853299339677, 1.7130853299339677, 1.7130853299339677, 1.7130853299339677' >>> s.split(',') ['1.7130853299339677', ' 1.7130853299339677', ' 1.7130853299339677', ' 1.7130853299339677', ' 1.7130853299339677'] RE: Writing list as a file, then reading that file as a list - Larz60+ - Oct-17-2019
you can save as JSON
>>> import json >>> zz = [1.7130853299339677, 1.7130853299339677, 1.7130853299339677, 1.7130853299339677, 1.7130853299339677, 1.7130853299339677, 1.7130853299339677, 1.7130853299339677, 1.7130853299339677, 1.7130853299339677, 1.7130853299339677, 1.7130853299339677, 1.7130853299339677, 1.7130853299339677, 1.7130853299339677, 1.7130853299339677, 1.7130853299339677, 1.7130853299339677, 1.7130853299339677, 1.7130853299339677, 1.7130853299339677, 1.7130853299339677, 1.7130853299339677, 1.7130853299339677, 1.7130853299339677, 1.7130853299339677, 1.7130853299339677, 1.7130853299339677, 1.7130853299339677, 1.7130853299339677, 1.7130853299339677, 1.7130853299339677, 1.7130853299339677, 1.7130853299339677, 1.7130853299339677, 1.7130853299339677, 1.7130853299339677, 1.7130853299339677, 1.7130853299339677, 1.7130853299339677, 1.7130853299339677, 1.7130853299339677, 1.7130853299339677, 1.7130853299339677, 1.7130853299339677, 1.7130853299339677, 1.7130853299339677, 1.7130853299339677, 1.7130853299339677, 1.7130853299339677, 1.7130853299339677, 1.7130853299339677, 1.7130853299339677, 1.7130853299339677, 1.7130853299339677, 1.7130853299339677, 1.7130853299339677, 1.7130853299339677, 1.7130853299339677, 1.7130853299339677, 1.7130853299339677, 1.7130853299339677, 1.7130853299339677, 1.7130853299339677, 1.7130853299339677, 0.6261130766021059, 0.7265157347076596, 0.7265157347076596, 0.7265157347076596, 0.7265157347076596, 0.7265157347076596, 0.7265157347076596, 0.7265157347076596, 0.7265157347076596, 0.7265157347076596, 0.7265157347076596, 0.7265157347076596, 1.5338201626994945] >>> with open('zz.json', 'w') as fp: ... json.dump(zz, fp) ... >>> with open('zz.json') as fp: ... xx = json.load(fp) ... >>> len(xx) 78 >>> xx [1.7130853299339677, 1.7130853299339677, 1.7130853299339677, 1.7130853299339677, 1.7130853299339677, 1.7130853299339677, 1.7130853299339677, 1.7130853299339677, 1.7130853299339677, 1.7130853299339677, 1.7130853299339677, 1.7130853299339677, 1.7130853299339677, 1.7130853299339677, 1.7130853299339677, 1.7130853299339677, 1.7130853299339677, 1.7130853299339677, 1.7130853299339677, 1.7130853299339677, 1.7130853299339677, 1.7130853299339677, 1.7130853299339677, 1.7130853299339677, 1.7130853299339677, 1.7130853299339677, 1.7130853299339677, 1.7130853299339677, 1.7130853299339677, 1.7130853299339677, 1.7130853299339677, 1.7130853299339677, 1.7130853299339677, 1.7130853299339677, 1.7130853299339677, 1.7130853299339677, 1.7130853299339677, 1.7130853299339677, 1.7130853299339677, 1.7130853299339677, 1.7130853299339677, 1.7130853299339677, 1.7130853299339677, 1.7130853299339677, 1.7130853299339677, 1.7130853299339677, 1.7130853299339677, 1.7130853299339677, 1.7130853299339677, 1.7130853299339677, 1.7130853299339677, 1.7130853299339677, 1.7130853299339677, 1.7130853299339677, 1.7130853299339677, 1.7130853299339677, 1.7130853299339677, 1.7130853299339677, 1.7130853299339677, 1.7130853299339677, 1.7130853299339677, 1.7130853299339677, 1.7130853299339677, 1.7130853299339677, 1.7130853299339677, 0.6261130766021059, 0.7265157347076596, 0.7265157347076596, 0.7265157347076596, 0.7265157347076596, 0.7265157347076596, 0.7265157347076596, 0.7265157347076596, 0.7265157347076596, 0.7265157347076596, 0.7265157347076596, 0.7265157347076596, 1.5338201626994945] >>> type(xx) <class 'list'> RE: Writing list as a file, then reading that file as a list - Zoastria_Balnala - Oct-17-2019
Thanks for your help!