The life of TB

# xml generator from xml.etree.ElementTree import Element, SubElement, tostring root = Element('rebels')rebel = SubElement(root, 'rebel') firstName = SubElement(rebel, 'firstName')lastName = SubElement(rebel, 'lastName') firstName.text = 'Luke'lastName.text = 'Skywalker' print(tostring(root)) # 결과b'LukeSkywalker' # json generator import json straightJSON = json.dumps(['rebles', {'firstName': 'Lu..

Python 2016. 5. 2. 18:19

# Counter collection from collections import Counter l = [1, 1, 1, 2, 3] print(Counter(l)) s = "asadadasadadada" print(Counter(s)) ss = "How many times does each word show up in this sentence word word" words = ss.split() print(Counter(words)) c = Counter(words) print(c.most_common(4)) # 결과Counter({1: 3, 2: 1, 3: 1})Counter({'a': 8, 'd': 5, 's': 2})Counter({'word': 3, 'show': 1, 'many': 1, 'in':..

Python 2016. 4. 29. 13:22

### 함수 객체 핸들 def play(): print('play') def stop(): print('stop') def main(): fs = [play, stop] for f in fs: f() if __name__ == '__main__': main() #결과 play stop ### pass by reference def add_ls(ls): ls.append(2) return def main(): ls = [1] print("before:", ls) add_ls(ls) print("after:", ls) if __name__ == '__main__': main() #결과 before: [1] after: [1, 2] ### list/tuple as function argument def ls_..

Python 2016. 4. 28. 20:16

# Multiple Argument def main():myFunc(1, 2, 3, 4, 5) # multiple argumentdef myFunc(one, two, *args):print("the values are {} {} {}".format(one, two, args)) ourFunc(1, 2, 3, 4, 5, 6, onee = "Monday", twoo = "Tuesday") #Key Word Argumentsdef ourFunc(a, b, c, *args, **kwargs):print("hello", kwargs['onee'], kwargs['twoo']) if __name__ == "__main__": main() # 결과the values are 1 2 (3, 4, 5)hello Monda..

Python 2016. 4. 28. 18:08

# 피보나치 수열 def main():first = 0second = 1print(first, end = ' ') while second < 100:print(second, end = ' ')first, second = second, first + second if __name__ == "__main__": main() # 결과0 1 1 2 3 5 8 13 21 34 55 89

Python 2016. 4. 28. 15:31

# 다양한 나눗셈의 결과 def main():o_balance = 88 / 9d_balance = 88 // 9d_balance2 = int(88 / 9) u_balance = round(88 / 9)u_balance2 = round(88 / 9, 2) print(type(o_balance), o_balance)print(type(d_balance), d_balance)print(type(d_balance2), d_balance2)print(type(u_balance), u_balance)print(type(u_balance2), u_balance2) if __name__ == "__main__": main() # 결과 9.777777777777779 9 9 10 9.78

Python 2016. 4. 28. 14:53

Very powerful method of matching patterns in textImplemented in Python with the "re" module# 문자열 search - 매칭 import rews = ['waterworld', 'watermelon', 'wakeboard'] for w in ws: if re.search('waterm', w): print(w) 결과)watermelon # 문자열 search - or 매칭import rews = ['waterworld', 'watermelon', 'wakeboard'] for w in ws: if re.search('water|wake', w): print(w) 결과)waterworldwatermelonwakeboard # 문자열 se..

Python 2015. 7. 29. 16:23

집합 요소 내에 중복을 제거해서 유일한 요소만 남긴다. 순서를 가지지 않는다. # 합집합 연산 def main(): u1 = {1, 3, 5} u2 = {2, 4, 6} us = u1 | u2 print(us) print('\t') us.clear() us = set.union(u1, u2) print(us) pass if __name__ == '__main__': main() #결과 {1, 2, 3, 4, 5, 6} {1, 2, 3, 4, 5, 6} # 차집합 연산 def main(): u1 = {0, 1, 2} u2 = {0} us = u1 - u2 print(us) us.clear() print('\t') us = set.difference(u1, u2) print(us) pass if __name..

Python 2015. 7. 24. 18:03