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Python: Built-in Functions vs. For & If Loops – 5 Programs Explained

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Python’s built-in functions make coding fast and efficient. But understanding how they work under the hood is crucial to mastering Python. This post shows five Python tasks, each implemented in two ways: Using built-in functions Using for loops and if statements ✅ 1. Sum of a List ✅ Using Built-in Function: numbers = [ 10 , 20 , 30 , 40 ] total = sum (numbers) print ( "Sum:" , total) 🔁 Using For Loop: numbers = [ 10 , 20 , 30 , 40 ] total = 0 for num in numbers: total += num print ( "Sum:" , total) ✅ 2. Find Maximum Value ✅ Using Built-in Function: values = [ 3 , 18 , 7 , 24 , 11 ] maximum = max (values) print ( "Max:" , maximum) 🔁 Using For and If: values = [ 3 , 18 , 7 , 24 , 11 ] maximum = values[ 0 ] for val in values: if val > maximum: maximum = val print ( "Max:" , maximum) ✅ 3. Count Vowels in a String ✅ Using Built-ins: text = "hello world" vowel_count = sum ( 1 for ch in text if ch i...

How to use Pandas Series Method top ideas

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Here is an example of how to use a Series constructor in Pandas. A one-dimensional array capable of holding any data type (integers, strings, floating-point numbers, Python objects, etc.) is called a Series object in pandas. Sample DataFrame Single dimension data Below is the single dimension data of Index and Value.  Index  Value  1  10                2  40  3  01  4  99 Having single value for an index is called Single dimensional data. On the other hand, when one index has multiple values, it is called multi-dimensional array.   Below is the example for Multi-dimensional array.  a = (1, (10,20)) mySeries =  pd. Series(data, index=index) Here, pd is a Pandas object. The data and index are two arguments. The  data refers to a Python dictionary of "ndarray"  and index is index of data. Generating DataFrame from single dimension data The below example shows, how ...