def merge_sort(lst):
if len(lst)<=1:
return lst
middle=int(len(lst)/2)
left=merge_sort(lst[:middle])
right=merge_sort(lst[middle:])
merged=[]
while left and right:
merged.append(left.pop(0) if left[0]<=right[0] else right.pop(0))
merged.extend(right if right else left)
return merged
data_lst=[6,202,100,301,38,8,1]
print(merge_sort(data_lst))
import datetime
dtstr="20181206"
dt=datetime.datetime.strptime(dtstr,"%Y%m%d")
another_dtstr=dtstr[:4]+'0101'
another_dt=datetime.datetime.strptime(another_dtstr,"%Y%m%d")
print(int((dt-another_dt).days)+1
import string
s='ww-m/23 4j)'
letter=0
space=0
digit=0
other=0
for c in s:
if c.isalpha():
letter+=1
elif c.isspace():
space+=1
elif c.isdigit():
digit+=1
else:
other+=1
print('There are %d letters,%d spaces,%d digits and %d others.'%(letter,space,digit,other))
triange=[1]
print(triange)
triange.append(0)
n=10
for i in range(1,n):
newline=[]
for j in range(i+1):
value=triange[j]+triange[-j-1]
newline.append(value)
print(newline)
triange=newline
triange.append(0)
运算符
复习了去年暑假看的python课，大致过了一下，在输入上面，还是有些卡壳。
才知道py3把raw_input给去掉了。
好久没做题，格式化输出也忘记了，下面是我的智障敲打。
我zz吗
void setup(){
//初始化定义
size(500,500);//定义
background(214);//black:0 white:255
//ctrl+r:run
}
void draw(){
//background(255);
ellipse(250,250,100,100);//右键：在文档中搜索，有help
//processing的坐标轴体系：以左上角为(0,0)点
ellipse(mouseX,mouseY,100,100);
//有拖影是因为背景没有刷新，如果在draw里加上background(255)，就不会有拖影了~
}
void draw(){
background(255);
//以中心点rectMode(CENTER);
stroke(255,255,0);//对线条的颜色的改变
fill();//对对象填色
rect(width/2,height/2,400,400);
ellipse(width/2,height/2,100,100);//width和height分别表示画布的宽和高
point(width/2,height/2)
//ctrl+t:规整代码
}
void setup() {
size(500, 500);//the size if
background(214);//black:0 white:255
//ctrl+r:run
}
void draw() {
background(#B0DE00);
rectMode(CENTER);
stroke(#D13602);
fill(#D13602);
rect(width/2, height/2, 200, 200);
fill(#02D1BE);
rect(width/2, height/2, 300, 300,40,40,40,40);
ellipse(mouseX, mouseY, 100, 100);
strokeWeight(10);
point(width/2, height/2);
line(width/2, height/2, width/2, 500);
}
