Load data from cryptocompare API

Load_data_from_cryptocompare.py

import numpy as np
import pandas as pd
import requests

def get_market_data(ticker):
    """
    Ticker in format quote/base,
    for example 'BTC/USD'
    
    return: pandas dataframe
    """
    
    b_ticker, q_ticker = ticker.upper().split('/')
    url = 'https://min-api.cryptocompare.com/data/histoday?fsym={}&tsym={}&limit=1&aggregate=1&allData=true'\
            .format(b_ticker, q_ticker)
    page = requests.get(url)
    data = page.json()['Data']
    df = pd.DataFrame(data)
    df['date'] = [datetime.datetime.fromtimestamp(d).date() for d in df.time]
    df['ticker'] = ticker
    df['time'] = df['time'].apply(lambda x: datetime.datetime.utcfromtimestamp(x).strftime('%Y-%m-%dT%H:%M:%SZ'))
    return df