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Vidya Python Core

Level 1 — Foundations — Master the syntax. Control the machine.

0% Mastered0 XP
Active Mission PayloadI/O Streams

Python I/O Streams

Master print() and input() to control data flow in and out of a Python program.

Start Mission Practice
Python Sandbox Preview
bot_name = input("What is my name? ")
print(f"Beep boop. I am {bot_name}.")
UTF-8 · Interactive Sandbox Target Code

What this Mission Builds

Every great application begins by talking to the user. Capture dynamic input and send back personalized output.

•Control input/output with print() and input()
•Store values in labeled variables
•Format output with f-strings
Duration
45 min
Difficulty
1/5
Rank Reward
+100 XP
Practice Lab — 📥 I/O Streams

15 Coding Challenges · 5 Difficulty Tiers

Complete all tiers to earn up to 2,850 XP and unlock the next chapter.

Open Lab
🟢Beginner Tier3 programs · +150 XP
🤖#1
+50 XP
Greeting Bot
Make Python speak your name
input()print() 5m
🪪#2
+50 XP
Digital Name Card
Print a styled multi-line identity card
input()print() 8m
📖#3
+50 XP
Mad Libs Story
Fill a story template with user words
input()print() 7m
🔵Intermediate Tier3 programs · +300 XP
🧾#1
+100 XP
Invoice Generator
Generate a formatted invoice with type casting
int()float() 12m
🎫#2
+100 XP
Profile Badge
Build a multi-field profile from 5 inputs
input()f-string 12m
🔄#3
+100 XP
String Transformer
Show one string in four different forms
str.upper()str.lower() 10m
🟡Advanced Tier3 programs · +450 XP
📊#1
+150 XP
Text Stats Reporter
Count chars, words, vowels, and digits in one pass
len()str.split() 18m
🔐#2
+150 XP
Password Character Report
Dissect a password into its character classes
str.isupper()str.islower() 20m
🔢#3
+150 XP
Number Formats Display
Show one number in decimal, binary, octal, and hex
int()bin() 15m
🔴LeetCode Tier3 programs · +750 XP
🗜️#1
+250 XP
Run-Length Encoder
Compress a string using run-length encoding
string iterationrun-length encoding 25m
🔑#2
+250 XP
Caesar Cipher
Encode a message by shifting letters
ord()chr() 30m
↔️#3
+250 XP
Word Reverser
Reverse the order of words, not characters
str.split()reversed() 20m
🏆Hackathon Tier3 programs · +1200 XP
📈#1
+400 XP
ASCII Bar Chart
Visualise data with a terminal bar chart
dynamic string paddingf-string width specifier 35m
📋#2
+400 XP
Log Entry Formatter
Build a structured log system from raw entries
str.split(maxsplit)str.upper() 30m
⚙️#3
+400 XP
Template Engine
Replace {placeholders} with real values
str.replace()str.split(maxsplit) 35m
Complete all 5 tiers to earn the I/O Streams Master badge
Start Beginner
Next Level
L2 — Collections