read numbers from text file python -

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I am trying to read a text file and return the contents of the text file. There is a matrix in the text file when I run my code with the file, it prints the first line, my code looks correct and I have searched online and I think of finding this problem.

The code is: 

  DIF (main): matrix = "matrix 1w" print (remetrics (matrix) def readMatrix (matrix): matrix file = open (matrix , "R") line = matrixFile.readline () line! = "": Return line line = matrixFile.readline () matrixFile.close () main ()

You mean 

  while the line! = "P> 
  while line! =" ": Print line

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