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Python > Learn Python > How does Python know that a line in a file is the same...
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How does Python know that a line in a file is the same as the variable line in the example of: for line in file: print line?

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The name of the variable, line is irrelevant. the program read one line of the file at a time because 'file' object returned by 'open' implements iteration by returning one line of the file at a time. you can confirm by replacing the loop with something like. Print list(file) you will see the list...
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The name of the variable, line is irrelevant. the program read one line of the file at a time because 'file' object returned by 'open' implements iteration by returning one line of the file at a time. you can confirm by replacing the loop with something like. Print list(file) you will see the list containing all the lines of the file. http://prwatech.in/python-training-in-bangalore/#tab-1-2 read less
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