Strings
len('Redd')結果:4print 'hot ' + 'dog'
結果:'hot dog' print 'he' * 3
結果:'hehehe' str(13)
結果:'13' ' Redd '.strip()
結果:'Redd'
刪除前後的空白字符 a = "123"
a.isalpha() #False
檢查是否都是字母 b = 'BBB'
b.lower()
轉為小寫字母 pyg = 'ay'
original = raw_input('Enter a word:')
if len(original) > 0 and original.isalpha():
print original
else:
print 'empty'
word = original.lower()
first = word
new_word = word + first + pyg
new_word = new_word
print new_word
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