# 错误方式: print(f'{\'name\'} is a full stack hacker.') # SyntaxError: f-string expression part cannot include a backslash 3.2 打印双括号{} 用f字符串打印{}的方法是不同的, 非常容易出bug。这次我们不能使用反斜线。 name = 'Yang' # 1 print(f'{name} is a full stack hacker.') #...
print("{},{:#x},{:#o},{:#b}".format(a,int(a),int(a),int(a))) print("{},{:x},{:o},{:b}".format(a, int(a), int(a), int(a))) print("{:#},{:#},{:#},{:#G}".format(a,b,6.000,,6.000)) #输出结果 123.456,0x7b,0o173,0b1111011 123.456,7b,173,1111011 ...
Python program to replace part of the string in pandas dataframe # Importing pandas packageimportpandasaspd# Importing numpy packageimportnumpyasnp# Creating dataframedf=pd.DataFrame({'Name':['Mr Arpit','Mr Atul','Mr Sanjay','Mr Jayesh','Mr Deepak']})# Display original DataFrameprint("Origina...
# -*- coding: utf-8 -*-# @File : demo24.py# @author: Flyme awei# @email : 894547555@qq.com# @Time : 2022/8/25 09:07a='python'b="python"c='''python'''print(a,id(a))print(b,id(b))print(c,id(c)) 3.字符串驻留机制的几种情况(交互式) 字符串的长度为1 符合标识符的字符...
在Python中,print() 函数用于打印相应的信息到终端控制台,同时 print() 函数可以支持同时输出一个或多个变量。 Python print()函数详解 语法 print(*objects, sep=' ', end='\n', file=sys.stdout, flush=False) 1. 参数 返回值 无 案例 输出单个字符串 ...
下面我们再来看看f-string,这算是格式化字符串的一把"瑞士军刀"。 name ="古明地觉"age =17where ="东方地灵殿"print(f"姓名:{name}, 年龄:{age}, 来自:{where}")# 姓名: 古明地觉, 年龄: 17, 来自: 东方地灵殿 f-string,所以在字符串的前面加上一个f即可。我们知道如果加上r,那么表示 "raw(...
/usr/bin/python# -*- coding: UTF-8 -*-print("网站名:{name}, 地址 {url}".format(name="菜鸟教程",url="www.runoob.com"))# 通过字典设置参数site= {"name":"菜鸟教程","url":"www.runoob.com"}print("网站名:{name}, 地址 {url}".format(**site))# 通过列表索引设置参数my_list=['...
1.请将带下划线风格的字符串转换成驼峰风格的输出(例子:python_test_string ===>PythonTestString) data ='python_test_string'result=''foriin(data.split("_")): result+=i.capitalize()print(result) 输出:PythonTestString 2.URL解析(例如:http://localhost:8080/python/data?para1=123 2=abc) ...
Python program to print words with their length of a string # Function to split into words# and print words with its lengthdefsplitString(str):# split the string by spacesstr=str.split(" ")# iterate words in stringforwordsinstr:print(words," (",len(words),")")# Main code# declare ...
Write a Python program to print the index of a character in a string.Sample Solution:Python Code:# Define a string 'str1'. str1 = "w3resource" # Iterate through the characters of the string using enumeration. # 'index' contains the position of the character, and 'char' contains the ...