读取文件: read, for in, readlines-python3

"""
读取文件:
read, for in, readlines

版本: v1.0
日期: 2019.03.28
作者: Catherine
python版本: 3.7
"""


import time


def main():
    # 一次性读取整个文件内容
    with open('致橡树.txt', 'r', encoding='utf-8') as f:
        print(f.read())

    # 通过for-in循环逐行读取
    with open('致橡树.txt', 'r', encoding='utf-8') as f:
        for line in f:
            print(line, end='')
            time.sleep(0.5)
    print()

    # 读取文件按行读取到列表中
    with open('致橡树.txt') as f:
        lines = f.readlines()
    print(lines)


if __name__ == '__main__':
    main()