how to open a text file and write to it in python code example

Example 1: open text file in python

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

Example 2: how to save to file in python

with open('data.txt', 'w') as my_data_file:
   my_data_file.write(WhateverYourInputIs)
# After leaving the above block of code, the file is closed
# "w" overwrites the contents of the file