I have a small problem with something I need to do in school...
My task is the get a raw input string from a user (text = raw_input()
)
and I need to print the first and final words of that string.
Can someone help me with that? I have been looking for an answer all day...
You have to firstly convert the string to list
of words using str.split
and then you may access it like:
>>> my_str = "Hello SO user, How are you"
>>> word_list = my_str.split() # list of words
# first word v v last word
>>> word_list[0], word_list[-1]
('Hello', 'you')
From Python 3.x, you may simply do:
>>> first, *middle, last = my_str.split()
If you are using Python 3, you can do this:
text = input()
first, *middle, last = text.split()
print(first, last)
All the words except the first and last will go into the variable middle
.
Let's say x
is your input. Then you may do:
x.partition(' ')[0]
x.partition(' ')[-1]
Some might say, there is never too many answer's using regular expressions (in this case, this looks like the worst solutions..):
>>> import re
>>> string = "Hello SO user, How are you"
>>> matches = re.findall(r'^\w+|\w+$', string)
>>> print(matches)
['Hello', 'you']
You would do:
print text.split()[0], text.split()[-1]
Simply pass your string into the following function:
def first_and_final(str):
res = str.split(' ')
fir = res[0]
fin = res[len(res)-1]
return([fir, fin])
Usage:
first_and_final('This is a sentence with a first and final word.')
Result:
['This', 'word.']