【每日一题0819】反转单词

兴趣爱好交流 每日一题
1

:woman_mage:给定一个字符串，请编写一个python函数，将其中的每个单词的字母顺序进行反转。空格的个数不定，记得需要保留所有的空格哟。

示例：
输入："Welcome to hogwarts!" ，输出：emocleW ot !strawgoh 。
输入："hello world" ，输出：olleh dlrow 。

题目难度：简单
题目来源：codewars

def reverse_words(text):
    pass

assert reverse_words("Welcome to hogwarts!") == "emocleW ot !strawgoh"
assert reverse_words("hello   world") == "olleh   dlrow"
assert reverse_words("apple") == "elppa"
2 
def reverse_words(text):
    l = text.split(" ")
    result = []
    for i in l:
        result.append(i[::-1])

    return " ".join(result)
3 
def reverse_words(text):
    return " ".join([lis[::-1] for lis in text.split(" ")])
4 
import re

def reverse_words(text):
    return re.sub(r'(\S+)', lambda x: x.group(1)[::-1], text)

assert reverse_words("Welcome to hogwarts!") == "emocleW ot !strawgoh"
assert reverse_words("hello         world") == "olleh         dlrow"
assert reverse_words("apple") == "elppa"
5 
def reverse_words(text: str):
    for word in text.split():
        text = text.replace(word, word[::-1])
    return text
6 
    public String reverse_words(String text) {
        String[] s = text.split(" ");
        String res = "";
        for (String s1 : s) {
            StringBuilder stringBuilder = new StringBuilder(s1);
            res =res + stringBuilder.reverse().toString()+" ";
        }
        return res;
    }
7 
def reverse_words(text):
    return " ".join([''.join(reversed(list(x))) for x in text.split(" ") ])

assert reverse_words("Welcome to hogwarts!") == "emocleW ot !strawgoh"
assert reverse_words("hello   world") == "olleh   dlrow"
assert reverse_words("apple") == "elppa"
8 
def reverse_words(text):
    return " ".join(lis[::-1] for lis in text.split(" "))

assert reverse_words("Welcome to hogwarts!") == "emocleW ot !strawgoh"
assert reverse_words("hello   world") == "olleh   dlrow"
assert reverse_words("apple") == "elppa"
9 
def reverse_words(text):
    return ' '.join([w[::-1] for w in text.split(' ')])


assert reverse_words("Welcome to hogwarts!") == "emocleW ot !strawgoh"
assert reverse_words("hello   world") == "olleh   dlrow"
assert reverse_words("apple") == "elppa"
10 
def reverse_words(text):
    result = []
    for word in text.split(" "):
        result.append(word[::-1])
    return " ".join(result)

assert reverse_words("Welcome to hogwarts!") == "emocleW ot !strawgoh"
assert reverse_words("hello   world") == "olleh   dlrow"
assert reverse_words("apple") == "elppa"
11

def func():
s=input(“请输入一串字符串:”)
list1=s.split()
list2=
for i in list1:
i1=i[::-1]
list2.append(i1)
return’ '.join(list2)

print(func())

12 
def reverse_words(text):
    words = text.split(' ')
    return ' '.join([word[::-1] for word in words])


assert reverse_words("Welcome to hogwarts!") == "emocleW ot !strawgoh"
assert reverse_words("hello   world") == "olleh   dlrow"
assert reverse_words("apple") == "elppa"
13 
def reverse_words(text: str):
    words = text.split(' ')
    return ' '.join([word[::-1] for word in words])
    pass


assert reverse_words("Welcome to hogwarts!") == "emocleW ot !strawgoh"
assert reverse_words("hello   world") == "olleh   dlrow"
assert reverse_words("apple") == "elppa"
14

练习

def reverse_words(text):
    return " ".join([s[::-1] for s in text.split(" ")])

assert reverse_words("Welcome to hogwarts!") == "emocleW ot !strawgoh"
assert reverse_words("hello   world") == "olleh   dlrow"
assert reverse_words("apple") == "elppa"
15 
def reverse_words(text):
    text_list = text.split(' ')
    res_list = [text_list[i][::-1] for i in range(len(text_list))]
    return ' '.join(res_list)


assert reverse_words("Welcome to  hogwarts!") == "emocleW ot  !strawgoh"
assert reverse_words("hello   world") == "olleh   dlrow"
assert reverse_words("apple") == "elppa"
16 
def reverse_words(text):
    result = []
    for i in text.split(" "):
        result.append(i[::-1])
    return ' '.join(result)

assert reverse_words("Welcome to hogwarts!") == "emocleW ot !strawgoh"
assert reverse_words("hello   world") == "olleh   dlrow"
assert reverse_words("apple") == "elppa"