python

. S =" abcdefghijklmn "

· print ( s [1:10:3])

·上述代码的输出结果是

. a =" ac "

· b =" bd "

· c = a + b 

· print ( c )

· a =" alex "

· b = a . capitalize ()

. print ( a , end =",)· print ( b )

.list1=[1,2,3]

·list2=[4,5,6]

 .print (list1+list2)

· s =[" seashell "," gold "," pink "," brown "," purple "," tomato '"]

● print ( s [1:4:2])

s =[" seashell "," gold "," pink "," brown '"," purple "," tomato "]

· print ( len ( s ), min ( s ), max ( s ))

6,' ghi ':789}, len ( d ）的结果是

.d = f ' a ':1,' b ':2,' c ':3);

· print ( d [' c '])·