part = MIMEBase('application', 'octet-stream') part.set_payload(attachment.read()) encoders.encode_base64(part) part.add_header('Content-Disposition', f 说明: 此Python 脚本允许您发送带有文件附件的电子邮件。只需提供发件人的电子邮件
string.index(str, beg=0, end=len(string))跟find()方法一样,只不过如果str不在 string中会报一个异常. 代码语言:javascript 代码运行次数:0 运行 AI代码解释 >>>mystr.index("how")12>>>mystr.index("how",20,30)Traceback(most recent call last):File"<stdin>",line1,in<module>ValueError:subst...
python for i in range(100): if i % 13 != 0: continue print("获取i值:", i) for i in range(100): if i % 13 == 0: print("获取i值:", i) 3. 今日作业编写一个程序,判断一个字符是否为元音字母(a、e、i、o、u,包括小写和大写)。如果是元音字母,则输出"是元音字母",否则输出"不...
```# Python script to remove empty folders in a directoryimport osdef remove_empty_folders(directory_path):for root, dirs, files in os.walk(directory_path, topdown=False):for folder in dirs:folder_path = os.path.join(root,...
msg = ' '.join(['There', 'are', 'three', 'eagles', 'in', 'the', 'sky']) print(msg) In the example, we form a message by joining seven words. The words are joined with a single space character. $ ./add_string_join.py ...
Type: type String Form:<type 'enumerate'> Namespace: Python builtin Docstring: enumerate(iterable[, start]) -> iterator for index, value of iterable Return an enumerate object. iterable must be another object that supports iteration. The enumerate object yields pairs containing a count (from st...
一、string的方法 >>>dir(str) ['__add__', '__class__', '__contains__', '__delattr__', '__dir__', '__doc__', '__eq__', '__format__', '__ge__', '__getattribute__', '__getitem__', '__getnewargs__', '__gt__', '__hash__', '__init__', '__init_...
CST使用Python cst open add space 1、背景距离、open (add space)边界 对偶极子来说,我们能看出,这个框框是有距离的,但是在背景材料的设置上是0,是没有距离的,那为什么会有边界呢?是因为边界用的都是open(add space),然后是有一个对称面的, 在XZ面用了磁边界,XY面用了电边界,用对称面的好处就是我们...
Add CODEOWNERS and YAML to end-of-file-fixer and trailing-whitespace (#… May 27, 2025 .ruff.toml Lint: Create a project-wide .ruff.toml settings file (#133124) May 1, 2025 LICENSE gh-126133: Only use start year in PSF copyright, remove end years (#1… Nov 12, 2024 Makefile.pre...
if row < 10: extraSpace = ' ' else: extraSpace = '' # Create the string for this row on the board. boardRow = '' for column in range(60): boardRow += board[column][row] print('%s%s %s %s' % (extraSpace, row, boardRow, row)) # Print the numbers across the bottom of ...