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Python 3 Reading File and counting the lines in the file


Are dictionaries ordered in Python 3.6+?Read and print from a text file N lines at a time using a generator onlyUsing Selenium to find elements related to drop down list from another frame — PythonHow to split a file containing a speech into a list of words on python 3?Python 3 - function returns None type, yet print give correct outputtesting errors: comparing 2 filesCant read lines text file pythonLooping through JSON structured dataPython 3 Reading Relative Lines in a text document and convert to Pandas DFread AWS S3 GPG csv file to get row count






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1















Write a function named "count_lines" that takes a string as a parameter representing the name of a file to read and returns the number of lines in the file.



I honestly don't fully understand what needs to be done to complete the task.
I know that I need the parameter to open the file name stored in the parameter, but not sure how to do it or the for loop to count the lines in the file itself.



Thank you










share|improve this question




























    1















    Write a function named "count_lines" that takes a string as a parameter representing the name of a file to read and returns the number of lines in the file.



    I honestly don't fully understand what needs to be done to complete the task.
    I know that I need the parameter to open the file name stored in the parameter, but not sure how to do it or the for loop to count the lines in the file itself.



    Thank you










    share|improve this question
























      1












      1








      1








      Write a function named "count_lines" that takes a string as a parameter representing the name of a file to read and returns the number of lines in the file.



      I honestly don't fully understand what needs to be done to complete the task.
      I know that I need the parameter to open the file name stored in the parameter, but not sure how to do it or the for loop to count the lines in the file itself.



      Thank you










      share|improve this question














      Write a function named "count_lines" that takes a string as a parameter representing the name of a file to read and returns the number of lines in the file.



      I honestly don't fully understand what needs to be done to complete the task.
      I know that I need the parameter to open the file name stored in the parameter, but not sure how to do it or the for loop to count the lines in the file itself.



      Thank you







      python-3.6






      share|improve this question













      share|improve this question











      share|improve this question




      share|improve this question










      asked Mar 26 at 1:31









      Soap KillerzSoap Killerz

      275 bronze badges




      275 bronze badges






















          1 Answer
          1






          active

          oldest

          votes


















          1














          def count_lines(filepath):
          with open(filepath, 'r+') as file:
          lines = file.readlines()
          return len(lines)





          share|improve this answer























          • Thanks, I didn't even realize that I could return the length of lines that were read like that.

            – Soap Killerz
            Mar 26 at 1:43











          • No problem. readlines() return a list. len() is simply reading the number of items in the list. If this is the answer that helped you, please mark as answer, thanks.

            – ycx
            Mar 26 at 1:45










          Your Answer






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          1 Answer
          1






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          oldest

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          1 Answer
          1






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          oldest

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          active

          oldest

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          active

          oldest

          votes









          1














          def count_lines(filepath):
          with open(filepath, 'r+') as file:
          lines = file.readlines()
          return len(lines)





          share|improve this answer























          • Thanks, I didn't even realize that I could return the length of lines that were read like that.

            – Soap Killerz
            Mar 26 at 1:43











          • No problem. readlines() return a list. len() is simply reading the number of items in the list. If this is the answer that helped you, please mark as answer, thanks.

            – ycx
            Mar 26 at 1:45















          1














          def count_lines(filepath):
          with open(filepath, 'r+') as file:
          lines = file.readlines()
          return len(lines)





          share|improve this answer























          • Thanks, I didn't even realize that I could return the length of lines that were read like that.

            – Soap Killerz
            Mar 26 at 1:43











          • No problem. readlines() return a list. len() is simply reading the number of items in the list. If this is the answer that helped you, please mark as answer, thanks.

            – ycx
            Mar 26 at 1:45













          1












          1








          1







          def count_lines(filepath):
          with open(filepath, 'r+') as file:
          lines = file.readlines()
          return len(lines)





          share|improve this answer













          def count_lines(filepath):
          with open(filepath, 'r+') as file:
          lines = file.readlines()
          return len(lines)






          share|improve this answer












          share|improve this answer



          share|improve this answer










          answered Mar 26 at 1:40









          ycxycx

          1,8041 gold badge6 silver badges18 bronze badges




          1,8041 gold badge6 silver badges18 bronze badges












          • Thanks, I didn't even realize that I could return the length of lines that were read like that.

            – Soap Killerz
            Mar 26 at 1:43











          • No problem. readlines() return a list. len() is simply reading the number of items in the list. If this is the answer that helped you, please mark as answer, thanks.

            – ycx
            Mar 26 at 1:45

















          • Thanks, I didn't even realize that I could return the length of lines that were read like that.

            – Soap Killerz
            Mar 26 at 1:43











          • No problem. readlines() return a list. len() is simply reading the number of items in the list. If this is the answer that helped you, please mark as answer, thanks.

            – ycx
            Mar 26 at 1:45
















          Thanks, I didn't even realize that I could return the length of lines that were read like that.

          – Soap Killerz
          Mar 26 at 1:43





          Thanks, I didn't even realize that I could return the length of lines that were read like that.

          – Soap Killerz
          Mar 26 at 1:43













          No problem. readlines() return a list. len() is simply reading the number of items in the list. If this is the answer that helped you, please mark as answer, thanks.

          – ycx
          Mar 26 at 1:45





          No problem. readlines() return a list. len() is simply reading the number of items in the list. If this is the answer that helped you, please mark as answer, thanks.

          – ycx
          Mar 26 at 1:45






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