text: number = int(input("Insert your number: "))
  
  count = 0
  if number == 0:
      count = 1
  else:
      while number > 0:
          number = number // 10
          count += 1}
  
  print("Number(s) of digit:",count)
  
  # tach chuong trinh thanh 3 khoi: input - process - output
  