PYTHON PROGRAM • PATTERNS & NUMBER PROBLEMS

Print an Inverted Triangle Pattern in Python

Learn print an inverted triangle pattern in python with a short, executable Python example.

Beginnerrange()Pattern

PROBLEM UNDERSTANDING

Input and expected output

Sample input
No input required
Sample output
****
***
**
*

COMPLETE PYTHON PROGRAM

Complete Python implementation

python-inverted-triangle-pattern.py
Open in compiler
for row in range(4, 0, -1):
    print('*' * row)

GUIDED CODE TOUR • NOT LIVE EXECUTION

Study the program line by line

Use the real compiler button above to run and debug with different inputs.

CURRENT STEP

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SELECTED LINE

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EXPECTED OUTPUT FOR THE SAMPLE

****
***
**
*
0%Step 0 of 0

PROGRAM EXPLANATION

Algorithm and explanation

  1. Initialize the sample values used to print an inverted triangle pattern.
  2. Process the data step by step using range() and Pattern.
  3. Display the result for print an inverted triangle pattern and compare it with the documented sample output.

This example of print an inverted triangle pattern processes the sample values in a controlled iteration. It demonstrates range() and Pattern and prints a deterministic result that can be checked against the sample output.

EFFICIENCY

Time and space complexity

Time complexity

O(n²)

Auxiliary space

O(1)

DEBUGGING CHECKLIST

Common mistakes

Check this

For print an inverted triangle pattern, keep the data shape and value types consistent with range().

Check this

Keep every dependent statement inside the correct indented Python block.

Check this

Verify the final range() and Pattern result against the sample before trying new data.

Try it yourself

Practice: Run the program with the sample input, predict its output, and then test one boundary case of your own.