Python, Float Recording Text File, Loading Floats and average them

Question

i have biological floats and want to save them in a Text file, and then load and make average them. This Floats about :

0.12
0.23
0.30
0.21
..
..
..

This will be saved in Text file.

Average of Floats will be showed in Label.

How could i write and then load these Floats in a text file . Finally how can i make average them — Emre Zengin, Feb 08 '19 at 14:06
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how are these numbers generated? Do you read them one at a time or do you have a list of them? — Chris, Feb 08 '19 at 14:10

Igor Dragushhak · Answer 1 · 2019-02-08T14:20:02.543

1

In order to save the floats to a text file, you need to convert them to a string. We convert the list of floats to a list of strings, then join them with a space symbol, which will be the separator and then save the file. In order to read a text file and make that a new list of floats we need to do the same operations but reversed.

About the label, I don't know what GUI framework you are using.

code:

list_of_floats=[0.12, 0.23, 0.30, 0.21]

def save(path,l):
    with open(path,'w') as file:
        file.write(' '.join(map(str,l)))

def load(path):
        with open(path,'r') as file:
            return list(map(float,file.read().split()))

save('file.txt',list_of_floats)
new_list=load('file.txt')
print(sum(new_list)/len(new_list))

edited Feb 08 '19 at 14:20

answered Feb 08 '19 at 14:10

Igor Dragushhak

567
1
3
14

Thanks igor, i want to print average of them – Emre Zengin Feb 08 '19 at 14:13
I have edited the code. The average is the sum of the list divided by it's length – Igor Dragushhak Feb 08 '19 at 14:21
if floats are not stable, how could we edit codes? For example : we have list_of_floats=[0.12, 0.23, 0.30, 0.21], if floats come in a second with irregular. E.g : 0.12 0.13. ...... always.. – Emre Zengin Feb 09 '19 at 06:20
I don't understand what you mean. Can you be more specific? – Igor Dragushhak Feb 09 '19 at 20:21

score 0 · Answer 2 · answered Jun 29 '21 at 18:56

this is a robust code:

import numpy as np
import os
x = np.arange(12).reshape(4, 3)
x=x/23
print("Original array:")
print(x)
header = 'col1 col2 col3'
np.savetxt('temp.txt', x, fmt="%1.3f", header=header)
print("After loading, content of the text file:")
result = np.loadtxt('temp.txt')
print(result)
print('Lets do a calculation on it :')
print(sum(result)/len(result))

Python, Float Recording Text File, Loading Floats and average them

2 Answers2