m0_51895671的博客

python基础学习

python

year = int(input("请输入年份："))if year%400 == 0 or (year%4 == 0 and year%100 != 0): print("是闰年")else: print("不是闰年")

from random import choicesdata = choices(range(100),k=20)print(data)data[:10] = sorted(data[:10])data[10:] = sorted(data[10:],reverse= True)print(data)

d = {'Mikey':'1','Tom':2,'Jerry':3,'Peter':4}a = input("input the name:")print (d.get(a,"您输入的键不存在！"))

>>>a = eval(input("请输入列表："))请输入列表：>>>m,n = input(" ").split(',')>>>b = a[eval(m):eval(n)+1]>>>print("切片得到的子列表是：{}".format(b))

#无序排列import randomy = [random.randint(0,100) for i in range(1000)]for i in y: print(i,':',y.count(i))#有序排列import random>>> y=[random.randint(0,100) for i in range(1000)]z=set(y)for i in z: print(i,':',y.count(i))