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1. Print Numbers 1–1002. Print Even Numbers in Range3. Print Odd Numbers in Range4. Sum of Digits5. Reverse Digits of a Number6. Calculate Factorial (Loop)7. Fibonacci Series8. Palindrome Number Check9. Count Digits in a Number10. GCD of Two Numbers (Loop)11. LCM of Two Numbers (Loop)12. Print Prime Numbers in Range13. Count Prime Numbers in Range14. Check Composite Number15. Power of 2 Checker16. Print Number Pattern17. Print Star Pattern18. Armstrong Numbers in Range19. Strong Numbers in Range20. Sum of Series 1/1 + 1/2 + … + 1/N21. Print Multiplication Series22. Print Pyramid Pattern23. Print Inverted Pyramid Pattern24. Print Floyd's Triangle25. Print Pascal's Triangle

Print Pyramid Pattern in Python

Print a centered pyramid of stars using nested loops.

BeginnerLoop ProgramsExample 22 of 25
print-pyramid-pattern.py
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1# Program to print a pyramid star pattern
2

3rows = int(input("Enter number of rows: "))
4

5for i in range(1, rows + 1):
6    spaces = " " * (rows - i)
7    stars = "*" * (2 * i - 1)
8    print(spaces + stars)

Output

Enter number of rows: 3
  *
 ***
*****

What's going on

We center each row by printing leading spaces and then an odd number of stars: 2*i - 1.

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