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1. Print Right Triangle Pattern2. Print Inverted Right Triangle3. Print Pyramid Pattern4. Number Pattern 15. Number Pattern 26. Character Pattern7. Print Hollow Square8. Print Diamond Pattern9. Number Pyramid10. Floyd Triangle11. Diamond Pattern12. Number Pyramid13. Hollow Square Pattern

Number Pyramid

Print number pyramid pattern.

IntermediatePhase 2 - Level 4: Pattern PrintingExample 9 of 13
number-pyramid.py
1# Take n
2n = int(input("Enter number of rows: "))
3

4# Print number pyramid
5for i in range(1, n + 1):
6    # Spaces
7    print(" " * (n - i), end="")
8    # Numbers
9    for j in range(1, i + 1):
10        print(j, end="")
11    # Reverse numbers
12    for j in range(i - 1, 0, -1):
13        print(j, end="")
14    print()

Output

Enter number of rows: 4
   1
  121
 12321
1234321

What's going on

Print numbers increasing then decreasing.

Key Concepts:

Print spaces for alignment
Print 1 to i
Print i-1 down to 1
Symmetric pattern

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