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How to write variables into txt format line by line in Python

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php中世界最好的语言Original
2018-04-09 10:38:154358browse

This time I will bring you PythonHow to write variables into txt format by rows, Python writes variables into txt format by rowsNotesWhat are they? Here are actual cases. Let’s take a look.

Let’s look at a simple example first: writing variables into txt text

f = open('E:/test.txt','w') 
f.write('hello world!') 
Out[3]: 12 
f.close()

The result is as shown in the figure:

So how to write variables line by line?

In 'w' writing mode, the next time we write a variable, the content of the original txt file will be overwritten, which is definitely not what we want. TXT has an append mode 'a', which can achieve multiple writes:

f = open('E:/test.txt','a') 
f.write('the second writing...') 
Out[6]: 21 
f.close()

The result is as shown:

##If we want to write by line, we only need to add the newline character '\n' at the beginning or end of the

string:

f = open('E:/test.txt','a') 
f.write('\nthe third writing...') 
Out[9]: 21 
f.close()

Result As shown in the figure:

If you want to write multiple variables into one line at the same time, you can use writelines()

Function:

f = open('E:/test.txt','a') 
f.writelines(['\nthe fourth writing...',',','good']) 
f.close()

The result is as shown in the figure:

I believe you have mastered the method after reading the case in this article, and more How exciting, please pay attention to other related articles on php Chinese website!

Recommended reading:

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