python write to file
with open(filename,"w") as f:
f.write('Hello World')python write to file
with open(filename,"w") as f:
f.write('Hello World')python open file
with open('filename', 'a') as f: # able to append data to file
f.write(var1) # Were var1 is some variable you have set previously
f.write('data')
f.close() # You can add this but it is not mandatory
with open('filename', 'r') as f: # able to read data from file ( also is the default mode when opening a file in python)
with open('filename', 'x') as f: # Creates new file, if it already exists it will cause it to fail
with open('filename', 't') as f: # opens the file in text mode (also is defualt)
with open('filename', 'b') as f: # Use if your file will contain binary data
with open('filename', 'w') as f: # Open file with ability to write, will also create the file if it does not exist (if it exists will cause it to fail)
with open('filename', '+') as f: # Opens file with reading and writing
# You can combine these as you like with the + for reading and writingpython with file.open
# Reference https://docs.python.org/3/library/functions.html#open
# Method 1
file = open("welcome.txt", "r") # mode can be r(read) w(write) and others
data = file.read()
file.close()
# Method 2 - automatic close
with open("welcome.txt") as infile:
data = file.read()python file open
#there are many modes you can open files in. r means read.
file = open('C:Usersyournamefilesfile.txt','r')
text = file.read()
#you can write a string to it, too!
file = open('C:Usersyournamefilesfile.txt','w')
file.write('This is a typical string')
#don't forget to close it afterwards!
file.close()Copyright © 2021 Codeinu
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