Detect Sample Names.py

# this program has been purposed to find the names of the individuals in a chat.
# this program works with only two people and not more than that.

colon1_pos = None       # detect position of colon to identify the position of the name string
dash1_pos = None        # detect position of colon to identify the position of the name string
names = list()          # creating a an empty list to apprend names
name1 = None            # name of the first person
name2 = None            # name of the second person
temp = None             # temporary variable

f = open("WhatsApp Chat with sample.txt", encoding="utf8")  # opening sample whatsapp chat to detect names

for line in f:

    reader = f.readline()  # assigning the line read to a variable

    if "end-to-end encryption. Tap for more info." in reader:  # skipping the unnecessary

        continue

    if len(names) == 2:  # ending the loop once the two names have been found

        break

    colon1_pos = reader.find(":", 13)  # names in whatsapp chats are inbetween a - & :
    dash1_pos = reader.find("-")
    temp = reader[dash1_pos:colon1_pos]  # appending the name string to the temp variable

    if temp not in names and len(temp) > 2:  # if name isnt in the list and is longer than 2 chars then append

        names.append(temp)

name1 = names[0]
name2 = names[1]
print(name1, name2)