Binary Number Pattern in Python

Question

I just want to print the following binary pattern, for the given number of rows.

Binary pattern for N=4

1111

000

11

0

Binary pattern for N=5

11111

0000

111

00

1

Answer 1

Try the following code:

n = int(input())

ones = True

while n > 0:

  out = ["1"]*n if ones else ["0"]*n

  ones = not ones

  n -= 1

  print("".join(out))

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