input: Write a function to generate and print a Pascal triangle with a given number of rows. The function should accept an integer as input and print the Pascal triangle accordingly.
  def PascalTriangle(n):
      arr = [0 for i in range(n)]
      for line in range(0, n):
          for i in range(0, line + 1):
              if i == 0 or i == line:
                  arr[i] = 1
              else:
                  arr[i] = arr[i] + arr[i - 1]
          for i in range(0, line + 1):
              print(arr[i], end=" ")
          print()
  
  assert PascalTriangle(5)
  assert PascalTriangle(3)
  assert PascalTriangle(0)
output: def PascalTriangle(n):
      arr = [0 for i in range(n)]
      for line in range(0, n):
          for i in range(0, line + 1):
              if i == 0 or i == line:
                  arr[i] = 1
              else:
                  arr[i] = arr[i] + arr[i - 1]
          for i in range(0, line + 1):
              print(arr[i], end=" ")
          print()