Count Vowels in a String Using Python
🔡 Count Vowels in a String Using Python | Loop & One-Liner Method
In this video, you'll learn how to count the number of vowels in a string using Python. We’ll demonstrate both a traditional for loop and a Pythonic one-liner using list comprehension and sum().
📌 What you'll learn:
How to count vowels in a string using a for loop
How to convert the string to lowercase for consistent comparison
A one-line solution using generator expression and sum()
Simple and efficient string processing logic for interviews or practice
🧠 Ideal for beginners and those preparing for Python interviews.
🛠️ Code used in the video:
vowels = ['a', 'e', 'i', 'o', 'u']
text = "python is a programming language"
count = 0
for char in text.lower():
if char in vowels:
count += 1
print(f"Number of vowels in the string: {count}")
print(sum(1 for char in text.lower() if char in vowels))
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