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Munna Kumar, also known as Code With Munna (CodeWithMunna / CodeWithMunnaX). Data science, ML and GenAI engineering, built for production and taught for free on YouTube.
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Python File Handling in Detail – Mind Map | CodeWithMunnaX
Python File HandlingMind map · Lesson 2 of 7 Python File Handling in Detail – Mind Map Everything this lesson covers — Introduction, Types of Files, File Modes, 'r' (Read) Mode and Reading Methods (in 'r' mode) — in one visual map. Click any topic to open it, or download the full map as an image for revision.
Mind map
File Handling in Python Expand all Collapse all Fit Download PNG
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Python File Handling in Detail: lesson notes 01 IntroductionDefinition Process of creating, reading, updating, writing, managing files Uses programming language 02 Types of FilesText Files Contain readable characters Extensions: .txt, .csv, .json, .py, .xml Binary Files Contain data in form of bytes Extensions: .jpg, .mp3, .mp4 03 File ModesPurpose: What we want to do with a file Common Modes 'r': Read mode 'w': Write mode 'a': Append mode 'x': Create mode 'r+': Read and Write 'w+': Write and Read 'a+': Append and Read 04 'r' (Read) ModeStands for Read mode Opens existing file for reading Throws error if file not found Syntax: open("file.txt", "r") Previous lessonPython File Handling Next lesson Python File Handling Always close file: file.close()
with statement: Auto-closes file05 Reading Methods (in 'r' mode)read()Reads complete file content data = file.read()data = file.read(N): Reads N charactersreadline()Reads one line at a time line = file.readline()Loop to read all lines: while line: print(line, end=""); line = file.readline()readlines()Reads all lines into a list data = file.readlines()Iterate with for line in data: print(line, end="")