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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...
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Career Opportunities to Write Algorithms

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Many participants in the Analytics seminar expressed opportunity in preparing algorithms for predictive analytics.
opportunities

You Need Algorithms Why

Using these algorithms, businesses can make better data-driven decisions by extracting actionable patterns and detailed statistics from large, often cumbersome data sets.

Many business people small to big expecting some kind of algorithms. So that they can save their precious time in predictive analytics.

As per IBM What are Good Benefits of Right Algorithm

  • Transform data into predictive insights to guide front-line decisions and interactions. 
  • Predict what customers want and will do next to increase profitability and retention. 
  • Maximize the productivity of your people, processes and assets. 
  • Detect and prevent threats and fraud before they affect your organization. 
  • Measure the social media impact of your products, services and marketing campaigns. 
  • Perform statistical analysis including regression analysis, cluster analysis and correlation analysis.

Summary

Algorithm making is a step by step process. The key advantages are useful to end users and taking less time in processing of application.

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