shebedo_的博客

# -*- codeing = utf-8 -*-# @Time : 2021/2/11 0:31# @Author : foryou# @File : zuoye1.py# @Software: PyCharmimport osdef input_poem(): try: try: f = open("poem.txt", "w", encoding="utf-8") except Exception as result:

# -*- codeing = utf-8 -*-# @Time : 2021/2/10 16:58# @Author : foryou# @File : demo7.py# @Software: PyCharm'''f=open("test.txt","w") #read方法，读取指定的字符，开始时指定在文件头部， # 每执行一次，向后移动指定字符数 #打开文件：w写模式 文件不存在就新建

products = [["iphone",6888],["MacPro",14800],["小米6",2499],["Coffee",31],["Book",60],["Nike",699]]print("-"*6+"\t"+"商品列表"+"\t"+"-"*6)for i in range(6): print(i,end=" ") for j in range(2): #suojin= print(products[i][j],end="")

import randomclassroom = [[],[],[]]teachers = ["A","B","C","D","E","F","G","H"]for teacher in teachers: classroom[random.randint(0,2)].append(teacher)for i in range(3): print("第%d个教室有%d个人"%(i+1,len(classroom[i]))) for j in range(len(classro

python绘图import numpy as npimport matplotlib.pyplot as pltdata=np.arange(0,1.1,0.01)plt.title('lines1')plt.xlabel('x')plt.ylabel('y')plt.xlim((0,1.1))plt.ylim((0,1.1))plt.xticks([0,0.2,0.4,0.6,0.8,1.0])plt.yticks([0,0.2,0.4,0.6,0.8,1.0])plt.plot(

输入三边判断是否能够成三角形，若能，算出面积，否则重新输入a=float(input("请输入一条边:"))b=float(input("请输入一条边:"))c=float(input("请输入一条边:"))while(a+b<=c)or(a+c<=b)or(b+c<=a): print("当前三边不能构成三角形，请重新输入：") a=float(inpu...