file = open(“testfile.txt”,”w”)
file.write(“Hello World”)
file.write(“This is our new text file”)
file.write(“and this is another line.”)
file.write(“Why? Because we can.”)
file.close() with open("file.txt", "r") as txt_file:
return txt_file.readlines()f=open("Diabetes.txt",'r')
f.read()# using 'with' block
with open("xyz.txt", "w") as file: # xyz.txt is filename, w means write format
file.write("xyz") # write text xyz in the file
# maunal opening and closing
f= open("xyz.txt", "w")
f.write("hello")
f.close()
# Hope you had a nice little IO lesson'''
You can read and write in files with open()
'r' = read
'w' = write (overwrite)
'a' = append (add)
NOTE: You can use shortened 'file.txt' if the file is in the same
directory (folder) as the code. Otherwise use full file adress.
'''
myFile = open('file.txt', 'r') # Open file in reading mode
print(myFile.read()) # Prints out file
myFile.close() # Close file
myNewFile = open('newFile.txt', 'w') # Overwrites file OR creates new file
myNewFile.write('This is a new line') # Adds line to text
myNewFile.close()
file = open('newFile.txt', 'a') # Opens existing newFile.txt
file.write('This line has been added') # Add line (without overwriting)
file.close()# Program to write multiple lines to text file using writelines() function
with open("python.txt", "w") as file:
content = ["Hello\n", "Welcome to Python Tutorial\n", "Cheers \n" ]
file.writelines(content)
file.close()
# Program to read the entire file (absolute path) using read() function
with open("C:/Projects/Tryouts/python.txt", "r") as file:
content = file.read()
print(content)
file.close()