组合列表中的字符串以形成以大写字母开头的单词

Question

NLP newbie here. I have a list of strings, and I would like to combine them so that each string starts with a capital letter. What is the most efficient way to do so?

Here is the list: [' Ye', 'oks', 'am', '-', 'd', 'ong', ' Gang', 'nam', '-', 'gu Seoul', ' Korea'] .

Desidered output: ['Yeoksam-dong', 'Gangnam-gu Seoul', 'Korea'] . ['Yeoksam-dong', 'Gangnam-gu', 'Seoul', 'Korea'] is also fine.

This is the solution I'm working to improve:

places = [' Ye', 'oks', 'am', '-', 'd', 'ong', ' Gang', 'nam', '-', 'gu Seoul', ' Korea']
num_places = 0
Temp = []
for ii in range(len(places)):
    loc = str(" ".join(places[ii].split()))
    print(loc, loc[0].isupper())
    if str(" ".join(places[ii + 1].split()))[0].isupper() == True:
        places_words.append(loc)
        num_places += 1
    else:
        Temp.append(loc)
        print(Temp)

Answer 1

One approach:

from itertools import tee


def pairwise(iterable):
    # pairwise('ABCDEFG') --> AB BC CD DE EF FG
    a, b = tee(iterable)
    next(b, None)
    return zip(a, b)


data = [' Ye', 'oks', 'am', '-', 'd', 'ong', ' Gang', 'nam', '-', 'gu Seoul', ' Korea']

# find the indices of the words that ara capitalized 
indices = [i for i, e in enumerate(data) if e.strip()[0].isupper()] + [len(data)]

# iterate pairwise and join the strings 
res = ["".join(data[start:end]).strip() for start, end in pairwise(indices)]
print(res)

Output

['Yeoksam-dong', 'Gangnam-gu Seoul', 'Korea']

Alternative using more_itertools ,

from more_itertools import split_before

data = [' Ye', 'oks', 'am', '-', 'd', 'ong', ' Gang', 'nam', '-', 'gu Seoul', ' Korea']

chunks = split_before(map(str.strip, data), lambda e: e[0].isupper())

res = ["".join(chunk).strip() for chunk in chunks]
print(res)