append a line to a text file python
# Open a file with access mode 'a'
file_object = open('sample.txt', 'a')
# Append 'hello' at the end of file
file_object.write('hello')
# Close the file
file_object.close()append a line to a text file python
# Open a file with access mode 'a'
file_object = open('sample.txt', 'a')
# Append 'hello' at the end of file
file_object.write('hello')
# Close the file
file_object.close()python writeline file
f = open("test.txt", "w")
f.writelines(["Hello", "World"])
f.closepython writeline file
f = open("test.txt", "w")
f.write("Hello nWorld")
f.closeWriting Line to a Text file in python
# Open a file for writing and insert some records
>>> f = open('test.txt', 'w')
>>> f.write('applen')
>>> f.write('orangen')
>>> f.write('pearn')
>>> f.close() # Always close the file
# Check the contents of the file created
# Open the file created for reading and read line(s) using readline() and readlines()
>>> f = open('test.txt', 'r')
>>> f.readline() # Read next line into a string
'applen'
>>> f.readlines() # Read all (next) lines into a list of strings
['orangen', 'pearn']
>>> f.readline() # Return an empty string after EOF
''
>>> f.close()
# Open the file for reading and read the entire file via read()
>>> f = open('test.txt', 'r')
>>> f.read() # Read entire file into a string
'applenorangenpearn'
>>> f.close()
# Read line-by-line using readline() in a while-loop
>>> f = open('test.txt')
>>> line = f.readline() # include newline
>>> while line:
line = line.rstrip() # strip trailing spaces and newline
# process the line
print(line)
line = f.readline()
apple
orange
pear
>>> f.close()Copyright © 2021 Codeinu
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