python basis 03day

str operation

"" " 
S = 'aluxemsnk' 
S1 = s.capitalize () # initials 
s2 = s.upper () # all caps 
s3 = s.lower () # all lowercase 
s4 = s1.swapcase () # Flip case 

= S 'ADA wewf AAGG tetg' 
S5 = s.title () # separated by spaces or special characters capitalized names 
Print (S4, S5) 

S = 'aluxemsnk' 
S1 = s.center (30, '@' ) 
Print (S1) 

# public method 
s = 'ha' 
Print (len (S)) 
s = 'asdaff' 
S7 = s.startswith ( 'AS') 
Print (S7) 

s = 'aluxemsnk' 
S8 = s.find ( 'm') 
Print (S8, type (S8)) 
S9 = s.index ( 'O') 
Print (S9) 

S = 'aasdas asdfg GER ERG' 
S10 = S.Strip () to the left and right boundary spaces # 
Print (S10)
 
S = 'aasdas asdfg GER ERG'
print (s.count ( 'a') ) # Number number 

S = ': aasdas: asdfg: GER ERG' 
Print (s.split ( ':')) # split into two text files, but also a space element, when the difference must be split from str ----> list string into a list 


#s = 'my name is {0}, {1} ages, hobbies {1}'. format ( 'Bai', '20 ',' haha ') 
#Print (S) 

S =' my name {name}, Age {age}, hobbies {hobay} '. format (name =' Bai ', age =' 20 ', hobay =' haha ' ) may be substituted in place of the placeholder% 
Print (S) 
S = 'Aspen Steven pride Jing branch documentation is' 
Print (s.replace does ( 'A', 'H')) 
"" " 
S = ' asdffgerfgfgv ' 
for I in S :
     Print (I)