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Home » General Tags » Power Query » M Functions » M List Functions » List.Transform » Page 16

List.Transform

Applies a function to each element in a list in Power Query.

Prime Difference Category
Posted in
  • ExcelBI Excel Challenges
  • ⭐️⭐️ Easy

Prime Difference Category

Challenge No. 242: If Number1 and Number2 are primes and if difference between them is:
2 – Twin Prime
4 – Cousin Prime
6 – Sixy Prime
Categorize the Numbers given in column A and B.
Solved using: Power Query (List.Transform).

July 1, 2025July 11, 2025
Incremental Caesar Cipher
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  • ⭐️⭐️ Easy

Incremental Caesar Cipher

Challenge No. 236: We had 3 challenges on Caesar’s Cipher (if you are unaware about Caesar’s Cipher, I will encourage you to visit previous challenge to get an idea)
This is a variation of Caesar’s Cipher.
Solved using: Power Query (List.Transform).

June 28, 2025July 11, 2025
Column Splitting! Part 2
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  • Column Splitting
  • Excel Challenges
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  • Power Query Challenges
  • ⭐️⭐️⭐️ Intermediate

Column Splitting! Part 2

Challenge No. 146: Split the IDs from the beginning of the text up to the “|” character in each occurrence of “|”.
Solved using:Excel (IFNA, LAMBDA, LEN), Google Sheets, Power Query (List.Transform, Text.Combine, Text.Split), Python, Python in Excel, R, and VBA.

June 27, 2025July 11, 2025
Create Snake Number Grid
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  • ⭐️ Beginner

Create Snake Number Grid

Challenge No. 230: This challenge is contributed by Mehmet Çiçek.
Solved using: Excel VBA.

June 26, 2025July 10, 2025
Length Of Pattern!
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  • ⭐️⭐️⭐️ Intermediate

Length Of Pattern!

Challenge No. 145: Find the largest length of occurrences of the “++-” pattern across the test IDs for each product.
Solved using:Excel (CONCAT, GROUPBY, LAMBDA), Google Sheets, Power Query (List.Transform, Text.Combine, Table.AddColumn), Python, Python in Excel, and R.

June 26, 2025July 11, 2025
Multiply Columns by Factor Dynamically
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  • ⭐️⭐️⭐️ Intermediate

Multiply Columns by Factor Dynamically

Challenge No. 73: Multiply Alpha, Beta, Gamma columns with Factor column.
Solved using: Python in Excel.

June 26, 2025July 12, 2025
Transpose Departments into Row
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  • ⭐️⭐️⭐️⭐️ Advanced

Transpose Departments into Row

Challenge No. 72: Transpose the data in a single row for all departments.
Solved using: Power Query (List.Transform).

June 25, 2025July 12, 2025
Top Headers by Total
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  • ⭐️ Beginner

Top Headers by Total

Challenge No. 220: First row is column headers and first column is row headers.
Solved using: Power Query (List.Transform).

June 23, 2025July 10, 2025
Find Co-Prime Pairs
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  • ⭐️⭐️ Easy

Find Co-Prime Pairs

Challenge No. 214: Co-prime numbers are those numbers whose Highest Common Factor (Highest Common Divisor) is 1.
Solved using: Power Query (List.Transform).

June 21, 2025July 10, 2025
Custom Grouping! Part 8
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  • Custom Grouping
  • Omid Challenges
  • Power Query Challenges
  • ⭐️⭐️⭐️⭐️ Advanced

Custom Grouping! Part 8

Challenge No. 139: The stock prices for the given dates are provided in the table.
Solved using:Excel (VSTACK), Google Sheets, Power Query (Table.Group, List.Combine, List.Transform), Python, and Python in Excel.

June 20, 2025July 11, 2025

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  • By Topic
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    • Financial Problems
    • Indexing & Ranking
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    • Missing Values
    • Pivot & Unpivot
    • Text Processing
  • By Creator
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