懒人的PYTHON.ppt

懒人的PYTHON smallfish能少敲就少敲点键盘的敲击次数有限手指辛苦程度阅读难度指数能少敲就少敲点f = open('')while True: line = () if not line: break print ()with open('') as f: line = () print line能少敲就少敲点if var1 != 0: passif var2 != None: passif len(list1) > 0: passif ('a'): passif not var1: passif not var2: passIf 'a' in dict1: pass能少敲就少敲点dict1 = {'name': 'smallfish', 'age': 20}print 'name: ' + dict1['name'] + ', age: ' + str(dict1['age'])print 'name: %s, age: %d' % (dict1['name'], dict1['age'])print 'name: %(name)s, age: %(age)d' % dict1能少敲就少敲点str1 = 'abcde'print str1[:3] -> 'abc'print str1[3:] -> 'de'print str1[:-2] -> 'abc'print str1[::-1] -> 'edcba'能少敲就少敲点list1 = [11, 22, 33, 11, 44, 22]list2 = []for e in list1: if e not in list2: (e)list3 = list(set(list1))能少敲就少敲点list1 = [11, 22, 33, 11, 44, 22]list2 = []for e in list1: if e % 2 == 0: (e)list3 = [e for e in list1 if e % 2 == 0]能不重复就不重复时间宝贵重复劳动干点别的...能不重复就不重复http://pypi.