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import timeuser,passwd = "gx","gx123"def auth(func): def wrapper(*args,**kwargs): username = input("username:").strip() password = input("password:"). 阅读全文
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import time# def foo():# print("in the foo")# bar()# #foo()# def bar():# print("in the bar")## foo()# bar()def bar(): #基本函数 time.sleep(4) print("in th 阅读全文
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x = 0def grandpa(): x = 1 print(x) def dad(): x = 2 print(x) def son(): x = 3 print(x) son() dad()grandpa() 阅读全文
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公鸡3元一只,母鸡2元一只,小鸡1元三只 100元100只 for x in range(1,33): for y in range(1,50): z = 100-x-y if (z%3 == 0) and (3x+2y+z/3=100): print(“公鸡:”%s,“母鸡:”%s,"小鸡:”%s 阅读全文
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oldboy_age = 5 guess_age = int(input("guess your answer:")) if guess_age == oldboy_age: print("you got it!") break elif guess_age > oldboy_age: print( 阅读全文
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# Author:Alex Li name = input("name:")#raw_input 2.x input 3.x#input 2.x =age = int(input("age:") ) #integer#print(type(age) , type( str(age) ))job = 阅读全文
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from matplotlib import pyplot as plt#cm = plt.cm.get_cmap('jet')cmap=plt.cm.spectralX = [[2, 3], [4, 5], [6, 7]]plt.imshow(X,interpolation='bicubic',c 阅读全文
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1、VASP中的四个最基本文件:INCAR,POTCAR,POSCAR ,KPOINTS,再加一个提交任务所用的脚本文件 2、常用的软件:Origin(画图),winscp和putty(方便远程登录),DS VIEWES PRO(用于看结构)等; 3、计算步骤: (1)先按计算要求,编辑好输入文件。 阅读全文
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形参 实参def text(x,y): print(x) print(y)text(1,2) 位置参数调用,与形参一一对应x=1y=2 text(y=y,x=x) 显示的结果依然为x=1 y=2,因为调用text()函数只要求是x跟x对应,y跟y对应 实际的意思是text(y=2,x=1),但tex 阅读全文
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多态:一种接口,多种实现class Animal: def __init__(self, name): # Constructor of the class self.name = name def talk(self): # Abstract method, defined by conventi 阅读全文