Answers for "python open file to read and write"

19

write file with python

with open(filename,"w") as f:
  f.write('Hello World')
Posted by: Guest on March-30-2020
4

python write to file

# open a file you can use the function open
file = open("myFile.txt", "w")
#here we have "open", and that's the main function
# that opens the file, next we have 2 arguments
# FILENAME and OPENING MODE
# in the filename argument you just have to write the file's location
# or if the script is in that location just write the filename
# in the opening mode you have to write in which mode you want
# to open your file, i'll list some here:
# "w" for writing to a file
# "r" for reading to a file
# "r+" for both reading and writing
# "a" to append to a file
#to write to the file use "file.write"
file.write("This has been written by a program")
#and finally to close the file when you're done with it
file.close()
# hope this helped and remember that in "w" mode it
#deletes the content of the file and replaces
# it with a new one, if you want to add something
# to a file use "a" mode
Posted by: Guest on November-18-2020
0

read and write file in python

#Write a Python program to create a file of numbers by taking input from the user and then display the content of the file. You can take input of non-zero numbers, with an appropriate prompt, from the user until the user enters a zero to create the file assuming that the numbers are non-zero.  
    f = open ('NumFile.txt','w')
    while True :
        no = int(input("enter a number (0 for exit)"))
        if no == 0 :
            print("you entered zero(0) ....... n now you are exit  !!!!!!!!!!!")
            break
        else :
            f.write(str(no)+"n")
    f.close() 
    f1 = open ('NumFile.txt','r')
    print("ncontent of file :: n",f1.read())
    f1.close()
Posted by: Guest on April-22-2021

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