Csv File Open
Looking for simplest Python CSV codes?
We have here – code for both Python Csv read & write, using the CSV api.
The code uses the commands in the following order to perform CSV file operations.
- File Open: First the file name & then the open mode. If it is read then ‘r’ & write mode is mentioned as ‘w’. Syntax: open (filepath, OpenMode,[encoding – UTF etc.,)
- Create CSV reader or writer object & assign to the above file.
- Read rows or write data
That’s it. Now, get the code.
Python Csv Write or Create Csv File
This example write a row of data passed as array format parameter.
Code Execution: Copy paste this code Python IDE, save with extension .py & execute by pressing F5.Python CSV Write - Each Row & Element with DelimiterPython1234567import csv#Write to CSV Filewith open('D:\Python_CSV_ReadWrite.csv', 'w', newline='') as csvfile:csvfilewriter = csv.writer(csvfile, delimiter=' ',quotechar='|', quoting=csv.QUOTE_MINIMAL)csvfilewriter.writerow(['1', 'officetricks', 'https://officetricks.com'])print("Wrinting Process Complete")
Use this code to Write to CSV File from Python using the csv api. Once the code execution is completed, open the output file & verify the data is written correctly.
Also Read: How to run a .exe file using Python?
Python Read Csv
This CSV reader example, reads data from a Csv file. There are 3 loops in it. First loop reads each row, second loop reads each column from every row. The 3rd loop reads each character in each row.
You can use any of the loop that is applicable to you need.Python Read CSV - Row, Column CharactersPython1234567891011121314import csv#Read From CSV Filewith open('D:\Python_CSV_ReadWrite.csv', 'r', newline='') as csvfile:csvfilereader = csv.reader(csvfile, delimiter=',', quotechar='|')#Print each Rowfor row in csvfilereader:print(row)#Print Each Column or Cellfor col in row:print (col)#Print each Characterfor ch in col:print(ch)print("Reading Process Complete")
If you execute this code, it will print the data read from the csv file. In most cases you don’t require the third loop. We will not be reading each character from a CSV file – not always.
Python CSV File – Read & Write – CSV API
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