• William
    2023-09-13 来自吉林
    问题 f = open('./demo.txt', mode='r', encoding='UTF-8') # 读取文件, 一般都赋值给一个变量 data = f.readlines(5) print(data) f.close() 这读取出来的也不是5行啊. 这肉眼看着是第一行呀? 请求各位大佬以及老师.

    作者回复: 是的,这里读取的是字节数量,已经勘误过,但是视频没办法修改了。

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  • 繁星不灭
    2023-02-05 来自广东
    1.习题练习 string = """Python 3.11 is up to 10-60% faster than Python 3.10. On average, we measured a 1.25x speedup on the standard benchmark suite. See Faster CPython for details. """ with open("a.txt", "w") as file: file.write(string) with open("a.txt", "r") as file: string_a = file.read() with open("b.txt", "w") as file2: file2.write(string_a)
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  • 江江儿嘛哩哄
    2023-01-03 来自浙江
    string = """Python 3.11 is up to 10-60% faster than Python 3.10. On average, we measured a 1.25x speedup on the standard benchmark suite. See Faster CPython for details. """ f = open("a.txt", mode="w", encoding="UTF-8") f.write(string) f.close() f = open("a.txt", mode="r", encoding="UTF-8") b = open("b.txt", mode="w", encoding="UTF-8") b.write(f.read()) b.close() f.close()
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  • rOMEo罗密欧
    2022-12-26 来自广东
    f_a = open("./a.txt") f_b = open("./b.txt", mode="w") for data in f_a: f_b.write(data) f_a.close() f_b.close()
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  • William
    2023-09-13 来自吉林
    def fun_45_2(): f1= open('./a.txt', mode='r', encoding='utf-8') data = f1.readlines() f2 = open('./b.txt', mode='w+', encoding='utf-8') for it in data: f2.write(it) f1.close() f2.close()
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  • 不再是入门水平pytho...
    2023-09-01 来自上海
    第一题: string = """Python 3.11 is up to 10-60% faster than Python 3.10. On average, we measured a 1.25x speedup on the standard benchmark suite. See Faster CPython for details. """ with open('a.txt','w') as file: file.write(string) 第二题: with open('a.txt','r') as source_file: content = source_file.read() with open('b.txt','w') as target_file: target_file.write(content)
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  • Geek_219b52
    2023-08-03 来自浙江
    import os file1 = open("D:\\零基础学python\\演示代码\\a.txt",mode = "w",encoding='utf-8') str = 'string = """Python 3.11 is up to 10-60% faster than Python 3.10. On average, we measured a 1.25x speedup on the standard benchmark suite. See Faster CPython for details. """' file1.write(str) file1.close() file1 = open("D:\\零基础学python\\演示代码\\a.txt",mode = "r",encoding='utf-8') file2 = open("D:\\零基础学python\\演示代码\\b.txt",mode = "w",encoding='utf-8') file2.write(file1.read()) file1.close() file2.close()
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  • Geek_Mike
    2023-07-06 来自云南
    str1 = 'Python 3.11 is up to 10-60% faster than Python 3.10. On average, we measured a 1.25x speedup on the standard benchmark suite. See Faster CPython for details.' with open('/Users/mike/Desktop/zero-basics-python/0/a.txt', 'w+', encoding='UTF-8') as a: a.write(str1) with open('/Users/mike/Desktop/zero-basics-python/0/a.txt', 'r', encoding='UTF-8') as a: data_a = a.read() with open('/Users/mike/Desktop/zero-basics-python/0/b.txt', 'w+', encoding='UTF-8') as b: b.write(data_a) print(data_a) with open('/Users/mike/Desktop/zero-basics-python/0/b.txt', 'r', encoding='UTF-8') as b: data_b = b.read() print(data_b)
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  • Geek_943787
    2023-05-17 来自浙江
    string = """Python 3.11 is up to 10-60% faster than Python 3.10. On average, we measured a 1.25x speedup on the standard benchmark suite. See Faster CPython for details. """ f = open('a.txt',mode='w',encoding='UTF-8') f.write(string) f.close() f = open('a.txt',encoding='UTF-8') f1 = open('b.txt',mode='w',encoding='UTF-8') for data in f: f1.write(data) f.close() f1.close()
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  • 佛哦太慢
    2023-02-22 来自上海
    f1=open("./a.txt", mode="r", encoding="utf-8") f2=open("./b.txt", mode="w", encoding="utf-8") data=f1.read() f2.write(data) f1.close() f2.close()
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