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# 025
# ÐòÁеÄÉñÆæÖ®´¦ÔÚÓÚÄã¿ÉÒÔʹÓÃÏàͬµÄ·½Ê½tuple¡¢listºÍstring
se = ['a', 'b', 'c', 'd']
li = ['a', 'b', 'c', 'd']
tu = ('a', 'b', 'c', 'd')
string = 'abcd'
print se[1]
print li[1]
print tu[1]
print string[1]
# ÐòÁеÄÁíÍâÒ»¸öÉñÆæÖ®´¦ÔÚÓÚ£¬Äã¿ÉÒÔʹÓøºÊý½øÐÐË÷Òý
print se[1:-1] # -1±íʾµ¹ÊýµÚÒ»¸ö
print se[:] # ÕâÖÖ±í´ïÐÎʽÏ൱ÓÚ·ÃÎÊÕû¸öÔªËØ¼¯ºÏ
output£º
b
b
b
b
['b', 'c']
['a', 'b', 'c', 'd']
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# 017
def lifeIsAMirror():
string = raw_input()
if string == 'I love you!':
return 'I love you, too!'
elif string == 'Fuck you!':
return ''
else:
return
# end of def
string = lifeIsAMirror()
if len(string) == 0:
print 'You have nothing.'
else: ......
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# 022
listNum1 = [1, 3]
listNum2 = [2, 4]
listStr1 = ['a', 'c']
listStr2 = ['b', 'd']
# ÁбíµÄºÏ²¢
list1 = listNum1 + listStr1
for ele in list1:
print ele
print '\n'
# ÅжÏÁбíÖÐÊÇ·ñ°üº¬Ä³ÔªËØ
print 'b' in list1
print 1 in list1
# ɾ³ýij¸öÔªËØ
for ele in ......