f = open("chat.txt", "r")
text = f.read()
lines = text.split("\n")
result = []
for line in lines:
    begin = line.index("From")
    name = line[begin + len("From"):]
    end = name.index(":")
    name = name[:end]
    if "(Privately)" in name:
        end = name.index(" to ")
        name = name[:end]
    name = name.strip()
    result.append(name)
print(result)

###

import csv

f = open("icecream.csv", "r", encoding="utf")
reader = csv.reader(f)
data = list(reader)
for row in range(len(data)):
    data[row].pop(0)
    chocCount = 0
    for col in range(len(data[row])):
        data[row][col] = data[row][col].lower()
        print(data[row][col])
        if "choc" in data[row][col]:
            chocCount += 1
    data[row].append(chocCount)
print(data)