def replace_text_in_file(file_path, line_number, old_text, new_text): # 打开文件 with open(file_path, 'r+') as file: # 读取文件内容 lines = file.readlines() # 定位特定行 if line_number <= len(lines): line_index = line_number - 1 line = lines[line_index] # 替换行内容 new...
defreplace_text_in_file(file_path,old_text,new_text):# 读取文件withopen(file_path,'r',encodin...
importfileinput# 打开文件并进行替换withfileinput.FileInput('example.txt',inplace=True,backup='.bak')asfile:forlineinfile:# 替换字符串print(line.replace('old_string','new_string'),end='') 1. 2. 3. 4. 5. 6. 7. 在上面的示例代码中,我们首先使用fileinput.FileInput函数打开文件,并设置inp...
This program was designedforPython3,not Python2.""" defspam():"""This is a multiline comment to help explain what thespam()functiondoes."""print('Hello!') 索引和切片字符串 字符串和列表一样使用索引和切片。您可以将字符串'Hello, world!'视为一个列表,并将字符串中的每个字符视为一个具有相...
]defisInArray(array, line):foriteminarray:ifiteminline:returnTruereturnFalseif__name__ =='__main__': argv = sys.argv argc =len(argv)ifargc <2:print("Usage: %s <file>"%(os.path.basename(argv[0]))) exit() fname = argv[1] ...
if "-pst" not in files and "Static" not in files: print(files) file1 = open(files,"r") data=file1.readlines() for line in data: if "6168" in line: print(line) line=line.replace("6168", GuideNodes[0]) print(line) line=line.replace("6158", GuideNodes[1]) ...
import textwrapwrapper = textwrap.TextWrapper(width=30, replace_whitespace=True)text = "This is a text with multiple spaces."wrapped_text = wrapper.wrap(text)for line in wrapped_text: print(line)输出：This is a textwith multiple spaces.7. drop_whitespace可选参数，默认...
def matchcase(word): def replace(m): text = m.group() if text.isupper(): ...
message=message.replace('\r\n','')#删除message中的所有'\r\n'message = message.replace('\2','')#删除单词中间的换行连字符message =stringQ2B(message) ch1="0"text=""forchinmessage :ifch ==""andch1 >='\u4e00'andch1 <='\u9fa5':passelse: ...
格式控制o表示将整数转换为八进制,x和X表示将整数转换为十六进制。 a='%o%o'%(100,-100) print(a) #指定宽度为8,八进制,将100转换为8进制 s='%8o%8o'%(100,-100) print(s) s='%x%X'%(445,-445) print(s) s='%8x%8X'%(445,-445) #长度为8 print(s) s='%08x%08X'%(445,-445) pr...