text: # diagnal line of numbers from any number to another number
  def diagnal():
    c = int(input('Start from number: '))
    rows = int(input("Stop at number: "))
    for i in range(1, rows + 1):
        for j in range(c, i + 1):
            print(j, end=' ')
        print('')
        
  # the main project
  def project():
      diagnal()
  project()
  