You can watch this video first to see the Python deleting process with details.0:01 Introduction 0:36 Import files 1:29 Delete files in PythonYou can use the following code to clear/delete the file or folder:Step 1. Create a Path object.import pathlib p_object = Path(".") type(p_...
Python provides importantmoduleslikeosandshutilto perform file operations such as deleting, renaming, copying, and moving files. File Deleting You can use theos.remove()method to delete a file in Python. The following code snippet shows how remove file namedexample.txt. import os os.remove("exam...
Python has several functions for creating, reading, updating, and deleting files. File Handling The key function for working with files in Python is theopen()function. Theopen()function takes two parameters;filename, andmode. There are four different methods (modes) for opening a file: ...
text.find('需要删除') > -1: #print('找到了') flag = True if flag is True: #print('deleting') delete_paragraph(p) if flag is True: #保存为新文件 doc.save(dest_file) delWordContent(docx_file='H:/temp/test.docx',dest_file='H:/temp/test-new.docx') def testDel(): dest_dir...
>>> odd = lambda x : bool(x % 2) >>> numbers = [n for n in range(10)] >>> for i in range(len(numbers)): ... if odd(numbers[i]): ... del numbers[i] # BAD: Deleting item from a list while iterating over it ... Traceback (most recent call last): File "<stdin>...
file_object = open(file_name, access_mode='r', buffering=-1) file_name是包含要打开的文件名字的字符串,可以是相对路径或者绝对路径。 可选变量access_mode是一个字符串,代表文件的打开模式,'r'表示读取,'w'表示写入,'a'表示追加。另外,'U'代表通用换行符支持。
p.name ="Alice"# 输出: Setting attribute 'name' to 'Alice' __delattr__(self, name):在删除属性时调用。 classPerson:def__delattr__(self, name):print(f"Deleting attribute '{name}'")super().__delattr__(name) p = Person()delp.name# 输出: Deleting attribute 'name'...
File "<stdin>", line 3, in <module> IndexError: list index out of range 这里的问题在于except语句并不接受以这种方式指定的异常列表。相反,在Python 2.x中,使用语法except Exception,e是将一个异常对象绑定到第二个可选参数(在这个例子中是e)上,以便在后面使用。所以,在上面这个例子中,IndexError这个异...
▶ Modifying a dictionary while iterating over it ▶ Stubborn del operation ▶ The out of scope variable ▶ Deleting a list item while iterating ▶ Lossy zip of iterators * ▶ Loop variables leaking out! ▶ Beware of default mutable arguments! ▶ Catching the Exceptions ▶ Same...
print ("After deleting value at index 2 : ") print (list1) #['physics', 'chemistry', 1997, 2000] #After deleting value at index 2 : #['physics', 'chemistry', 2000] #--- list1 = ['physics', 'chemistry', 1997, 2000] print (list1)...