gpsg.py

import datetime as dt

def f(x):     
    """Sums purchase amounts for UK entries.

    Args:
        purchases: List of dicts with keys "country" and "amount".

    Returns:
        Total amount for purchases where country == "UK".
    """
    t=0
    for i in x:
        if i[ "c" ]=="UK":
            try: t+=float(i [ "a" ])
            except: pass
    print("TOTAL",t,"@",dt.datetime.now());return t