name = "李明"age = 13formatted_string = "我是{}，我今年{}岁了。" .format(name, age)print(formatted_string)# 输出：我是李明，我今年13岁了。使用 f-string 格式化字符串f-strings 是 Python 中最新的字符串格式化方法。首先出现在 Python 3.6 中，是格式化字符串最简洁、最易读的方式。f-string ...
默认情况下,方法strip()会处理掉字符串两边的\t\n\r\f\v等空白符号。 >>>intf='\r\ninterface GigabitEthernet10/0/3\n'>>>intf'\r\ninterface GigabitEthernet10/0/3\n'>>>print(intf)interfaceGigabitEthernet10/0/3>>>intf=intf.strip()# 还是借用变量赋值的方法,让效果看起来像修改了原字符串。
(Python's perspective) Anything that can be passed to the built-in iter function to get an iterator from it. If you're inventing your own iterable class, also see How to make an iterable. Data Types These terms are related to fundamental "data types" in Python. String Strings are a da...
print(a) Try it Yourself » Note:in the result, the line breaks are inserted at the same position as in the code. Strings are Arrays Like many other popular programming languages, strings in Python are arrays of bytes representing unicode characters. ...
title.string print(title) # 输出: 示例网站 9.3 案例3:正则表达式在日志分析中的应用 日志文件中,我们可能需要提取特定模式的信息: import re log_file = open("app.log", "r") error_pattern = re.compile(r"ERROR:\s*(.*)") for line in log_file: match = error_pattern.search(line) if ...
print(f'正在抓屏,{t_capture} 秒后或按 F12 停止 ...') while i < (frame * t_capture): # 实例化 image = ImageGrab.grab() # 获取屏幕分辨率 screen_w, screen_h = image.size # print(f'屏幕分辨率:{screen_w} * {screen_h} dpi') ...
>>> print str.rjust(20) #生成20个字符长度,str右对齐 Python stRING 2.>大小写转换 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 >>> str = "Python stRING" >>> str.upper() #转大写 'PYTHON STRING' >>> str.lower() #转小写 'python string' >>> str.capitalize() #字符串首...
string = "hello" list_of_chars = [char for char in string] print(list_of_chars) # Output: ['h', 'e', 'l', 'l', 'o'] Copy 3. Using json.loads() for Structured Data For parsing JSON-encoded strings, json.loads() is the preferred method. import json string = '["apple",...
print(a) print(b) f(1,2,3,name='Tom',sex='male') # (1, 2, 3) # {'name': 'Tom', 'sex': 'male'} f('hello','world',1,2,3,one=1,two=2,three=3) # ('hello', 'world', 1, 2, 3) # {'one': 1, 'two': 2, 'three': 3} ...
print("Enter your text (type 'exit' to finish):")user_input=""whileTrue:line=input()ifline.lower()=="exit":breakuser_input+=line+"\n"print("You entered:\n"+user_input) In this example, we initiate an infinite loop usingwhile True. Within this loop, we use theinput()function to...