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Python: efficient syntax for creating a list of strings

I'm new to python and essentially trying to figure out the syntax that replicates this functionality: strings = ["foo", "bar", "apple"]with something similar to it strings = [foo, bar, apple], so I don't need to put quotes around all the entries. Thank!

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6 answers
strings = "foo bar apple".split()
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strings = r"foo, bar, apple".split(", ")
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, . strings = list(open("datafile", "r")).

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- :

foo = "foo"
bar = "bar"
apple = "apple"
strings = [foo,bar,apple]
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, ( !), - :

li = []

ch = ("You have entered an empty string ''\n"
      'Type ENTER alone if you want to stop.\n'
      'Type anything if you want to record the empty string : ')

while True:
    e = raw_input('enter : ')
    if e=='':
        x = raw_input(ch)
        if x=='':  break
    li.append(e)

print
print li

:

enter : 123
enter : ocean
enter : flower
enter : 
You have entered an empty string ''
Type ENTER alone if you want to stop.
Type anything if you want to record the empty string : k
enter : once upon a time
enter : 14 * 4
enter : 
You have entered an empty string ''
Type ENTER alone if you want to stop.
Type anything if you want to record the empty string : 

['123', 'ocean', 'flower', '', 'once upon a time', '14 * 4']

, :

['123', 'ocean', 'flower', '', 'once upon a time', '14 * 4']
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