text: import requests
  
  url = "https://api.upbit.com/v1/market/all"
  
  resp = requests.get(url)
  data = resp.json()
  # print(data)
  
  
  krw_tickers = []
  for coin in data:
      ticker = coin['market'] # coin is dict type
  
      if ticker.startswith("KRW"):
          krw_tickers.append(ticker)
  
  print(krw_tickers, len(krw_tickers))
  
      
  
  