delete whole file content in python code example

Example 1: python delete contents of file

f = open('file.txt', 'r+')
f.truncate(0)

Example 2: python delete text in text file

# Delete all text in a text file
f = open("text_file.txt", "r+")
f.truncate(0)
f.close()

Example 3: how to delete everything on a file python

f = open('file.txt', 'r+')
f.truncate(0) # need '0' when using r+