python how to read a text file?
Read the file
Step: Open - read - Close 
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The read data is a necessary step in the post-processing data.
.txt is a widely used data file formats. Some .csv, .xlsx and other files can be converted to read a .txt file.
I often comes with Python using I / O interface, the incoming read data stored in the list, and then converting numpy scientific computing package list data for the array format, such as scientific calculations can be performed as MATLAB.
The following is a txt file used to read the code can be used in most txt file reading 