Python -从一个文本文件复制到另一个文本文件

# 源文件路径
source_file_path = 'source.txt'
# 目标文件路径
destination_file_path = 'destination.txt'

try:
    # 打开源文件以读取内容
    with open(source_file_path, 'r', encoding='utf-8') as source_file:
        content = source_file.read()
    
    # 打开目标文件以写入内容
    with open(destination_file_path, 'w', encoding='utf-8') as destination_file:
        destination_file.write(content)
    
    print("文件复制成功！")
except FileNotFoundError:
    print(f"错误：找不到文件 {source_file_path}")
except IOError as e:
    print(f"读写错误：{e}")

source_file_path = 'large_source.txt'
destination_file_path = 'large_destination.txt'

try:
    with open(source_file_path, 'r', encoding='utf-8') as source_file, \
         open(destination_file_path, 'w', encoding='utf-8') as destination_file:
        for line in source_file:
            destination_file.write(line)
    print("大文件复制成功！")
except FileNotFoundError:
    print(f"错误：找不到文件 {source_file_path}")
except IOError as e:
    print(f"读写错误：{e}")