s = "abcd1234",find()函数可以在字符串中搜索子串,s.find("cd")返回的结果是__________
s = "abcd1234",find()函数可以在字符串中搜索子串,s.find("cd")返回的结果是__________
s="This is Li Ming's number!",则s.find("is",3)的结果为(______ )。
s="This is Li Ming's number!",则s.find("is",3)的结果为(______ )。
哪个选项是下面代码的执行结果?s="abcd1234"print(s.find("cd"))
哪个选项是下面代码的执行结果?s="abcd1234"print(s.find("cd"))
已知:s="a_ba_bc",下面( )选项可以实现将s字符串中的“_ ”去掉,变为"ababc" A: s.replace("_","") B: s.delete("_ ") C: s[0]+s[2:-1] D: s.find("_ ")
已知:s="a_ba_bc",下面( )选项可以实现将s字符串中的“_ ”去掉,变为"ababc" A: s.replace("_","") B: s.delete("_ ") C: s[0]+s[2:-1] D: s.find("_ ")
假设s和t都是字符串变量,并且t不是s的子串,那么表达式s.find(t)的值是?
假设s和t都是字符串变量,并且t不是s的子串,那么表达式s.find(t)的值是?
字符串S中查找子串X是否存在的函数,分别是下列哪些? A: X in S B: S.find(X) C: S.index(X) D: S in X
字符串S中查找子串X是否存在的函数,分别是下列哪些? A: X in S B: S.find(X) C: S.index(X) D: S in X
下面代码的输出结果是 ( ) s = "The python language." print(s.find('language',15)) A: 11 B: 15 C: -1 D: False
下面代码的输出结果是 ( ) s = "The python language." print(s.find('language',15)) A: 11 B: 15 C: -1 D: False
It's hard ______ a job. A: tolook for B: to find C: to find out
It's hard ______ a job. A: tolook for B: to find C: to find out
4.为何不去看看都有哪些实习机会? A: Why not find out what’s offer? B: Why find out what’s on offer? C: Why not find out what’s on offer?
4.为何不去看看都有哪些实习机会? A: Why not find out what’s offer? B: Why find out what’s on offer? C: Why not find out what’s on offer?
It’s difficult to find a ____(solve)to this problem.
It’s difficult to find a ____(solve)to this problem.