python write file

1file = open(“testfile.txt”,”w”) 
2 
3file.write(“Hello World”) 
4file.write(“This is our new text file”) 
5file.write(“and this is another line.”) 
6file.write(“Why? Because we can.”) 
7 
8file.close() 

1f=open("Diabetes.txt",'r')
2f.read()

1with open(filename,"w") as f:
2  f.write('Hello World')

1with open("test.txt",'w',encoding = 'utf-8') as f:
2   f.write("my first file\n")
3   f.write("This file\n\n")
4   f.write("contains three lines\n")

1# Reference https://docs.python.org/3/library/functions.html#open
2
3# Method 1
4file = open("welcome.txt", "r") # mode can be r(read) w(write) and others 
5data = file.read()
6file.close()
7
8# Method 2 - automatic close
9with open("welcome.txt") as infile:
10  data = file.read()
11

1# using 'with' block
2
3with open("xyz.txt", "w") as file: # xyz.txt is filename, w means write format
4  file.write("xyz") # write text xyz in the file
5  
6# maunal opening and closing
7
8f= open("xyz.txt", "w")
9f.write("hello")
10f.close()
11
12# Hope you had a nice little IO lesson