fetcher script

>> Task 1:

```
import requests

    # Replace <pancakeSwap_address> and <your_api_key> with actual values
    url = "https://bscscan.com/api?module=account&action=tokentx&address=<pancakeSwap_address>&sort=asc&apikey=<your_api_key>"

    response = requests.get(url)
    data = response.json()

    bep20_tokens = []
    for tx in data["result"]:
        if tx["contractAddress"] not in [token["contractAddress"] for token in bep20_tokens]:
            bep20_tokens.append({"name": tx["tokenName"], "contractAddress": tx["contractAddress"]})

    print(bep20_tokens)
```



>> Task 2: 

```
import json

    # Replace <pancakeSwap_address> and <your_api_key> with actual values
    url = "https://bscscan.com/api?module=account&action=tokentx&address=<pancakeSwap_address>&sort=asc&apikey=<your_api_key>"

    response = requests.get(url)
    data = response.json()

    # Fetch USD value of BNB and BUSD
    bnb_usd_url = "https://api.coingecko.com/api/v3/simple/price?ids=binance-coin&vs_currencies=usd"
    busd_usd_url = "https://api.coingecko.com/api/v3/simple/price?ids=binance-usd&vs_currencies=usd"
    bnb_usd_response = requests.get(bnb_usd_url)
    busd_usd_response = requests.get(busd_usd_url)
    bnb_usd_data = bnb_usd_response.json()
    busd_usd_data = busd_usd_response.json()
    bnb_usd_value = bnb_usd_data["binance-coin"]["usd"]
    busd_usd_value = busd_usd_data["binance-usd"]["usd"]

    buy_sell_data = []
    for tx in data["result"]:
        if tx["tokenSymbol"] in ["BNB", "BUSD"]:
            if tx["tokenSymbol"] == "BNB":
                usd_value = bnb_usd_value * float(tx["value"])
            else:
                usd_value = busd_usd_value * float(tx["value"])
            buy_sell_data.append({"Transaction Time": tx["timeStamp"], 
                                  "Token": tx["tokenSymbol"], 
                                  "Amount": tx["value"], 
                                  "Transaction amount in USD": usd_value,
                                  "Initiate address": tx["from"]})

    print(json.dumps(buy_sell_data))
```