python read lines from a file code example

Example 1: python read file line by line

with open("file.txt") as file_in:
    lines = []
    for line in file_in:
        lines.append(line)

Example 2: python read file

with open("file.txt", "r") as txt_file:
  return txt_file.readlines()

Example 3: open text file in python

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

Example 4: python read lines

f = open("filename")
lines = f.readlines()