basic_python_files3.py

with open('file1.txt','r') as f:
  ## It will print each line and make the pointer to point at next line.
  print(f.readline())
  ## It is telling the current position of the pointer
  print(f.tell())
  ## Using seek we can modify the current pointer by passing the position as paramter in seek.
  f.seek(0)
  ## Checking if pointer comes to 0 or not.
  print(f.tell())
  ## Printing out the line again to check what will it prints.
  print(f.readline())
  
#[Output]:
1. "My name is XYZ".
2
1
0
1. "My name is XYZ".

with open('file1.txt','r') as f:
    print(f.readlines())
    
#[Output]:
['1. "My name is XYZ".n', '2. "Currently I am persuing Bachelor's of Technology".n', '3. "I have done several projects on Software  Development".']