How to remove list multiple brackets while reading csv

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with open("D:\Vocabulary.csv","r") as CSV_file:
csv_reader=csv.reader(CSV_file)
for line in csv_reader:
    print(line)

I read a csv file (in the file I just had one column contain all the vocabularies)and print the result which contains multiple brackets like this:

["apple"],["school"],["big"],[list]

So how can I get

["apple","school","big","list"]?

Do you want this?

my_list = [["apple"],["school"],["big"]]
expected_list = [x for b in my_list for x in b] #list comprehension
print(expected_list)

Python csv remove square brackets, The CSV format is one of the most flexible and easiest format to read. Python reads in the csv file and converts it to a multi-list. Remove text in parentheses with Find and Replace function Nov 13, 2018 · The read_csv function loads the  Read a comma-separated values (csv) file into DataFrame. Also supports optionally iterating or breaking of the file into chunks. Additional help can be found in the online docs for IO Tools. Parameters filepath_or_buffer str, path object or file-like object. Any valid string path is acceptable. The string could be a URL.

put your values in a list so it's easier iterating over them;

values = [["apple"],["school"],["big"],["list"]]
new_list = []
for v in values:
  new_list.append(v[0])
print(new_list)

Hope this if of help.

Python, Sometimes, while working with displaying the contents of list, the square brackets​, both opening and closing are undesired. For this when we need to print whole  Regex Pattern for Parsing CSV files with Embedded commas, double quotes and line breaks Tuesday, October 14, 2008 at 5:32AM While you have stumbled on KimGentes.com, you might be coming for a few different reasons.

tupl = ["apple"],["school"],["big"],["list"]

lst = [x[0] for x in tulp]
print(lst)

Output

['apple', 'school', 'big', 'list']

How to drop brackets in a Python list, in order to go from [1, 2, 3] to 1 , Flatten the list to "remove the brackets"using a nested list comprehension. This will un-nest each list stored in your list of lists! [code]list_of_lists = [[180.0], [173.8],​  I have a CSV file which consists of text written in multiple (150+) rows and in same column only. In order to convert that text into list, I wrote this code. import pandas as pd import csv df

Looks like you need list.extend

Ex:

import csv
result = []
with open("D:\Vocabulary.csv","r") as CSV_file:
    csv_reader=csv.reader(CSV_file)
    for line in csv_reader:
        result.extend(line)
print( result )

How to remove all brackets from string in a range in Excel?, Remove brackets from string with Find and Replace feature Read More. One Workbook to Multiple Excel, PDF or CSV Files; One Column to Multiple have used before; Encrypt Cells with password; Create Mailing List and send emails. If you want to do this all in a single command, it is easier to switch to using the ConvertTo-CSV cmdlet instead of the Export-CSV cmdlet. The reason is that ConvertTo-CSV converts to CSV format, but does not export to a file. This allows time to replace the quotation marks prior to writing to file.

Looks like you are having string which needs to be converted to list. Python eval will do it for you.

csv = '["apple"],["school"],["big"],["list"]'
output = [x[0] for x in eval(csv)] #['apple', 'school', 'big', 'list']

How to remove anything in brackets in Excel?, If you have a list of text strings which part of data is enclosed in the brackets, Read More. Split Tools: Split Data into Multiple Sheets Based on Value; One Workbook to Multiple Excel, PDF or CSV Files; One Column to Multiple Columns. Spark SQL provides spark.read.csv("path") to read a CSV file into Spark DataFrame and dataframe.write.csv("path") to save or write to CSV file, In this tutorial you will learn how to read a single file, multiple files, all files from a local directory into DataFrame and applying some transformations finally writing DataFrame back to CSV file using Scala & Python (PySpark) example.

python, To remove the quotation marks, you must apply str() to each element and #!/usr​/bin/env python import csv import random from string import  I have been trying to change a list of 2D coordinates with square brackets to curly brackets so I can plot the set of points in Mathematica. However, it does not plot because it puts quotation marks

Python csv remove square brackets, list. , data is aligned in a tabular fashion in rows and columns. remove(44) OUTPUT: This I then want to write both "Tmin" and the value read directly to a second csv file. 28 Feb 2017 Python reads in the csv file and converts it to a multi-list. I have a couple of *.csv files containing data from several experiments. From those, two columns shall be extracted each, to form a new list. This process shall be automated to collect all the data from all experiments of one series. For this I try to use an indexed variable a[i]. With Transpose and Array the desired list is created.

Python for Beginners: Reading & Manipulating CSV Files, Opening a CSV file; Looping through rows; Extracting information from a CSV file In Python, square brackets are used to access an element located at some Sets support multiple operations, one of which will tell us which elements of one 

Comments
  • Please provide an example of your input and what you have tried. Further, consider reading MCVE.
  • Consider: "[" + str.strip("[").strip("]") + "]". If you want it to return a list, then use the eval() method.
  • Your "result" is not clear, especially since what you show is not a valid Python value. Please show code that shows the exact input. Read and follow How to create a Minimal, Complete, and Verifiable example.
  • Thanks very much,I'm new to Python,so x[0] here means?
  • x is a of type list when we make x[0] we get first value from list
  • Thanks for your reply !
  • You can use regex match to fetch the results quickly. Let me know!!