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Aug 29, 2018 - Beginning sound vocabulary cards for letter O includes the words octopus, ostrich, otter, and ox. ... <看更多>

Sometimes O is used for "Oh" in poetic situations. In extremely informal cases of writing (such as SMS language) individual letters may replace words, e.g. u ... ... <看更多>

To get a single letter from a string subscript the string. ... first = word[0] if first in ['a','e','i','o','u']: print "vowel" else: print ... ... <看更多>