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1. Print Right Triangle Pattern 2. Print Inverted Right Triangle 3. Print Pyramid Pattern 4. Number Pattern 1 5. Number Pattern 2 6. Character Pattern 7. Print Hollow Square 8. Print Diamond Pattern 9. Number Pyramid 10. Floyd Triangle 11. Diamond Pattern 12. Number Pyramid 13. Hollow Square Pattern

Number Pattern 2

Print number pattern: 1, 22, 333, ...

IntermediatePhase 2 - Level 4: Pattern PrintingExample 5 of 13

number-pattern-2.py

1# Take n
2n = int(input("Enter number of rows: "))
3
4# Print pattern
5for i in range(1, n + 1):
6    for j in range(1, i + 1):
7        print(i, end="")
8    print()

Output

Enter number of rows: 4
1
22
333
4444

What's going on

Print row number i times.

Key Concepts:

Outer loop: rows

Inner loop: print i, i times

Same number repeated

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