Логи из чата

import sys 
 
def read_file(filename):  
        messages = []        
        with open(filename, 'r') as log_file: 
            lines = log_file.readlines() 
            with open(filename, 'r') as log_file: 
                for line in lines: 
                    messages.append(line) 
        return messages 
 
def display_entry(name, message):
    print(f'[{name}] --> ' + message)
 
def main():
    filename = sys.argv[1]
    lines = read_file(filename)
    search_name = input('Введите имя: ').capitalize()
    for message in lines:
            display_entry(search_name, message)
                
if __name__ == '__main__':
    main()

import sys 
 
def read_file(filename):  
        messages = []        
        with open(filename, 'r', encoding='utf-8') as log_file:
            messages = []
            for line in log_file:
                if line.strip().endswith(':'):
                    name = line.strip().rstrip(':')
                    message = log_file.readline().strip().strip('"')
                    messages.append((name, message))
        return messages 
 
def display_entry(name, message):
    print(f'[{name}] --> ' + message)
 
def main():
    filename = sys.argv[1]
    lines = read_file(filename)
    search_name = input('Введите имя: ').capitalize()
    for i in lines:
        name = i[0]
        message = i[1]
        if name == search_name:
            display_entry(name, message)
                
if __name__ == '__main__':
    main()