Python编程求助

PandaLi

题   求大佬帮忙编个程

大兵马元帅

I'm分割成两个单词是不是有点过分啊

user2019

正则表达式

namedlxd

扫描一遍，遇到空格或者标点，前面的字符串就是个单词

haoea

正则替换将非英文的符号改为空格，正则再将多空格改为单空格，最后按空格分割

井右寺

[Python] 纯文本查看 复制代码

import re

_str = "i'm a student"

pattern = re.compile(r'[a-zA-Z]+')
for i in pattern.findall(_str):
	print(i)

15053902070

楼上这个就可以

pzx521521

楼上正解, 鉴定完毕, 不写了
ps 单引号加双引号 这样写:

[Asm] 纯文本查看 复制代码

_str = r'"i\'m a student", he said'

alisdlyc

import string

source = '"I\'m a student,"he said.'
p_lists = list(string.punctuation)

for p in p_lists:
    source = source.replace(p, ' ')
lists = source.split(' ')

num = 0

for i in lists:
    if not '' == i:
        print(i)
        num += 1
print(num)

assdqwe123

[Python] 纯文本查看 复制代码

import string

s = '"I\'m a student,"he said.'

for p in string.punctuation:
    s = s.replace(p, ' ')
l = s.split(' ')

l = [i for i in l if i]

print(f"单词数量为{len(l)}")
print(l)