Python---string

test =  "My name is fengxiaoli" # # #确定字符串中字符位置print (Test.rfind ("M"))                     #找到m所在的位置, The rightmost print (Test.find ("name"))                   #找到字符串中name的开头位置, this is 3print (Test[0:test.find ("name"))           #字符串切片, from 0 to the beginning of the name 3## #字符串补齐print (Test.center (), "-")                 #给定字符串长度50, less than 50 add-to-complement print (Test.ljust ("*"))                  #给定字符串长度50, less than 50 added * padded print (Test.rjust ( "-")                 #给定字符串长度50, Less than 50 added * padded          #字符串判断print ("12ADFAAGDADF". Isalnum ())             #判断是否是英文字母和数字, is the return Tureprint ("AAf". Isalpha ())                      #判断是否是英文字符串print ("IsDigit")                      # Determines whether it is an integer print ("ADFADF". Isidentifier ())            # Determines whether a valid identifier (variable) is print (" ". Isspace ())                        #判断是否是一个空格print (" my name is". Istitle ())             #判断是否是一个标题print ("Ni hao". Isupper ())                 # Determines whether the string is uppercase print (Test.endswith ("Li"))                  #判断字符串是否由li结尾, is to return to TureprinT (Test.startswith ("my"))              ## String conversion print ("ASDF". Lower ())                            #将大写转化为小写print ("Sdafa". Upper ())                            #将小写转化为大写print ("Asdfadadfaad". Swapcase ())                 #大小写互换print (" my name is". Title ())                     #将其转化为titleprint ( Test.expandtabs (tabsize=30))             # Converts the TAB key (\ t) in a string to 30 spaces print (" my name is ". Replace ("M", "M", 1))         #将m替换成大写的M, replace only 1 # output:my name is# go to the beginning end of the space and line break print ("    \nmy name is is". Strip ())              #去掉开头结尾的空格和换行符print ("fnegxiaoli\n". Rstrip ())                    #去掉右边的空格和换行符print ("    \nfnegxiaoli\n ". Lstrip ())               #去掉左边的空格和换行符 # string Split  print ("Adf+na +df". Split ("+"))                    #指定分隔符分割字符串print ("ADD\NADF\NADFG". Splitlines ())             #按换行符分割 # Convert the list to string print ("+". Join (["1", "2", "3" ]))                  # The following list is separated by the + number and converted to a string # Supplement: P = str.maketrans ("abcdef", "123456")             &nbsp, #将abcdef与123456对应print ("Fengxiaoli". Translate (p))                   #然后fengxiaoli中有属于abcdef字母的用与之对应的数字替换 # Output:65ngxi1olitest1 =  "My name is {_name} ,age is {_age}" Print (Test1.format (_name= "Fengxiaoli", _age=24 ))       #格式化输出print (Test.capitalize ())                          # Capitalize the first letter of the string print (Test.count ("M"))                             #统计字符串中m的个数

Python---string