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import sys
input_file = sys.argv[1] #IndexError: list index out of range
output_file = sys.argv[2]
with open(input_file , 'r' , newline=' ') as filereader: #TypeError: coercing to Unicode: need string or buffer, list found
with open(output_file , 'w' , newline=' ') as filewriter:
header = filereader.readline()
header = header.strip()
header_list = header.split(',')
print(header_list)
filewriter.write(','.join(map(str,header_list))+'\n')
for row in filereader:
row = row.strip()
row_list = row.split(',')
print(row_list)
filewriter.write(','.join(map(str,row_list))+'\n')