Python 019 study notes

String Manipulation

= A "the let apos Go" 
Print (A) 

# repeatedly output 
Print (A * 2) 

# acquired character string by an index, corresponding to the slice 
Print (A [ 2:]) 

# judging operation, the keyword in the string, returns True / False 
Print ( 'et' in A) 

# format string 
Print ( '% S IS A Teacher'% 'Kevin') 

# string concatenation, + inefficient, .join high efficiency, can be customized 
A = ' 123 ' 
B = ' ABC ' 
C = A + B 
Print (C) 

D = ' --- '. the Join ([A, B, C]) 
Print (D)

Built-in method