csv2column.py

import csv

def column_to_single_line(csv_file, column_name):
    column_values = []
 
    with open(csv_file, mode='r', newline='') as file:
        reader = csv.DictReader(file)
        
        for row in reader:
            column_values.append(row[column_name])
    
    result = ', '.join(column_values)
    return result

csv_file = 'tmalef.csv'
column_name = 'Mobile'

result = column_to_single_line(csv_file, column_name)
print(result)

line2comma.py

# Define the file path
file_path = 'input.txt'

# Read the content of the file
with open(file_path, 'r') as file:
    input_text = file.read()

# Convert the multi-line text to a single line separated by commas
output_text = ', '.join(input_text.splitlines())

# Print the result
print(output_text)

# Optionally, you can save the output to another file
output_file_path = 'output.txt'
with open(output_file_path, 'w') as output_file:
    output_file.write(output_text)