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Unlock Python’s hidden power!
12 Python Built-in Functions I Wish I Knew Earlier!
Discover 12 built-in functions that can make your coding life easier and more efficient.

Python is packed with powerful built-in functions that can save time, reduce code complexity, and improve performance.
Many of these functions remain under-utilized, especially by beginners who often reinvent the wheel without realizing that Python already provides efficient solutions.
Here are 12 built-in Python functions that I wish I had discovered earlier in my journey!
1. enumerate() — Keep Track of Indexes
Instead of using a counter variable while looping through a list, enumerate() lets you iterate with both the index and value:
fruits = ['apple', 'banana', 'cherry']
for index, fruit in enumerate(fruits, start=1):
print(index, fruit)
Output:
1 apple
2 banana
3 cherry
This eliminates the need for manually maintaining an index variable!