The file.write() command only takes a single parameter – this is best achieved using an f-string.<\/p>\n
End-of-line characters “\\” should also be written.<\/p>\n
Opening a file with “w” parameter will create a new file, or overwrite any existing file.<\/p>\n
Opening a file with “a” parameter will create a new file, or append to any existing file.<\/p>\n
\r\n#\r\nOUT_FILE= 'results.txt'\r\n \r\ndef writeDataToFile(data):\r\n f = open(OUT_FILE, 'a')\r\n f.write(f"{data}\\n")\r\n f.close()\r\n print("data written")\r\n\r\n#MAIN PROGRAM\r\nwriteDataToFile("fred")\r\nwriteDataToFile("alice")\r\nwriteDataToFile("sue")\r\n<\/pre>\nWriting arrays<\/h1>\n\r\nOUT_FILE= 'results.txt'\r\n\r\ndef writeDataToFile(names, marks):\r\n with open(OUT_FILE, 'w') as f:\r\n for student in range(len(marks)):\r\n f.write(f"{names[student]},{marks[student]}\\n")\r\n print(f"Data written to {OUT_FILE}")\r\n\r\n#MAIN PROGRAM\r\n#\r\nwriteDataToFile(names, marks)\r\n#<\/pre>\nWriting records<\/h1>\n\r\nOUT_FILE= 'results.txt'\r\n\r\ndef writeDataToFile(students):\r\n with open(OUT_FILE, 'w') as f:\r\n for student in students:\r\n f.write(f"{student.name},{student.mark}\\n")\r\n print(f"Data written to {OUT_FILE}")\r\n\r\n#MAIN PROGRAM\r\n#\r\nwriteDataToFile(students)\r\n#<\/pre>\n","protected":false},"excerpt":{"rendered":"The file.write() command only takes a single parameter – this is best achieved using an f-string. End-of-line characters “\\” should also be written. Writing lines of text Opening a file with “w” parameter will create a new file, or overwrite any existing file. Opening a file with “a” parameter will create a new file, or append to any existing file. # OUT_FILE= ‘results.txt’ def writeDataToFile(data): f = open(OUT_FILE, ‘a’) f.write(f"{data}\\n")<\/p>\n