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- #input file
 
 - fin = open("data.txt", "rt")
 
 - #output file to write the result to
 
 - fout = open("out.txt", "wt")
 
 - #for each line in the input file
 
 - for line in fin:
 
 -     #read replace the string and write to output file
 
 -     fout.write(line.replace('pyton', 'python'))
 
 - #close input and output files
 
 - fin.close()
 
 - fout.close()
 
  複製代碼 
 
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