Python Programming

import statistics data=[600,470,170,430,300] print('mean : ',statistics.mean(data)) print('median : ',statistics.median(data)) print('variance : ',statistics.pvariance(data)) print('stdev : ',statistics.pstdev(data)) ==== RESTART: C:/python/statisticsTest.py ===== mean : 394 median : 430 variance : 21704 stdev : 147.32277488562318 >>> from here

ソースファイル import sys a=sys.argv print(a) 実行結果

プログラムソース # important def f(a,L=[]): L.append(a) return L print('f output') print(f(1)) print(f(2)) print(f(3)) def f2(a,L=None): if L==None: L=[] L.append(a) return L print('f2 output') print(f2(1)) print(f2(2)) print(f2(3)) ===== RESTART: C:/python/Def_importantWarning.py === f output [1] [1, 2] [1, 2, 3] f2 output [1] [2] [3] >>>