✅Correct Answer: B) 4

📘Explanation:

The string "hello" has the characters: h, e, l, l, o.

set("hello") removes duplicates: {'h', 'e', 'l', 'o'}.

len(...) returns the number of unique characters, which is 4.

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✅Correct Answer: A) [0, 0, 0].

📘Explanation:

[0]*3 means repeat the list [0] three times.

So it creates a new list with three zeros: [0, 0, 0].

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✅Correct Answer: A) True

📘Explanation:

The all() function returns True only if all elements in the iterable are truthy.

True, 1, and "non-empty" are all considered truthy values in Python.

So all([True, 1, "non-empty"]) returns True.

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✅Correct Answer: A) HelloHelloHello

📘Explanation:

In Python, multiplying a string by an integer repeats the string that many times. So "Hello" * 3 results in the string 'HelloHelloHello'. There's no space added automatically.


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🎉 ANNOUNCEMENT 🎉

🚀 30 Days, 30 Python Pattern Programs Challenge! 🔥

Hey everyone! 👋
I'm super excited to announce that I'm starting a brand-new Python Pattern Program Challenge on my YouTube channel "Techbywebcoder" ! 🎥🐍

📅 Starting from [1 August 2025]
🕒 1 New Pattern Program Every Day for 30 Days

📌 Covering:
✅ Star Patterns
✅ Number Patterns
✅ Alphabet Patterns
✅ Logic Building
✅ Interview-Ready Programs
✅ With Code, Output & Full Explanation!

Whether you're a beginner learning Python or preparing for coding interviews, this series will help you master loops, logic, and pattern building.

🔔 Subscribe and turn on notifications so you don’t miss a single day!

https://youtube.com/@techbywebcoder?si=8sEJYTR68KVlr3Ed

💬 Let’s learn together and level up our Python skills – one pattern at a time!

👇 Drop a comment if you're excited or have a pattern suggestion

Day 1: Easy Soild Square Pattern in Python | 30 Days of Code Challenge

Tutorial Video : - https://youtube.com/shorts/tN9Cb7tPXP0

Source Code : - https://github.com/TechbyWebCoder/Python_Pattern

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Day 2: Easy Hollow Square Pattern in Python | 30 Days of Code Challenge

Tutorial Video : - https://youtube.com/shorts/W4qP2fsY0-E

Source Code : - https://github.com/TechbyWebCoder/Python_Pattern

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Day 3: Easy Right-Angled Triangle Pattern in Python | 30 Days of Code Challenge

Tutorial Video : - https://youtube.com/shorts/F18_YQEl51I

Source Code : - https://github.com/TechbyWebCoder/Python_Pattern

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Day 4: Easy Inverted Right-Angled Triangle Pattern in Python | 30 Days of Code Challenge

Tutorial Video : - https://youtube.com/shorts/n7x5kYLdkeU

Source Code : - https://github.com/TechbyWebCoder/Python_Pattern

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Day 5: Easy Right-Aligned Triangle Pattern
in Python | 30 Days of Code Challenge

Tutorial Video : - https://youtube.com/shorts/tAokQFR5SmY

Source Code : - https://github.com/TechbyWebCoder/Python_Pattern

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Day 6: Easy Left-Aligned Inverted Triangle Pattern
in Python | 30 Days of Code Challenge

Tutorial Video : - https://youtube.com/shorts/vSqWTft6PuA

Source Code : - https://github.com/TechbyWebCoder/Python_Pattern

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Day 7: Easy Pyramid Pattern in Python | 30 Days of Code Challenge

Tutorial Video : - https://youtube.com/shorts/7HEjEzdyZI0

Source Code : - https://github.com/TechbyWebCoder/Python_Pattern

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Day 8: Easy Inverted Pyramid Pattern in Python | 30 Days of Code Challenge

Tutorial Video : - https://youtube.com/shorts/7rp1HPDGX_Y

Source Code : - https://github.com/TechbyWebCoder/Python_Pattern

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Day 9: Easy Diamond Pattern in Python | 30 Days of Code Challenge

Tutorial Video : - https://youtube.com/shorts/vres8gHmMRk

Source Code : - https://github.com/TechbyWebCoder/Python_Pattern

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Day 10: Easy Hollow Diamond Pattern in Python | 30 Days of Code Challenge

Tutorial Video : - https://youtube.com/shorts/CqU0JKR1W6A

Source Code : - https://github.com/TechbyWebCoder/Python_Pattern

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Day 11: Easy Half Pyramid Numbers Pattern in Python | 30 Days of Code Challenge

Tutorial Video : - https://youtube.com/shorts/MzMaD5fARKs

Source Code : - https://github.com/TechbyWebCoder/Python_Pattern

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Day 12: Easy Inverted Number Pyramid in Python | 30 Days of Code Challenge

Tutorial Video : - https://youtube.com/shorts/aiqS7cJfbsM

Source Code : - https://github.com/TechbyWebCoder/Python_Pattern

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