目录

1.单词分析

2.成绩统计

3.门牌制作

4.卡片

5.跑步训练

6.蛇形填数

7.时间显示

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1.单词分析

1.单词分析 - 蓝桥云课 (lanqiao.cn)

s = list(input())
maxx = 0
for i in s:
  num = s.count(i)
  if num>maxx:
    sm = i
    maxx = num
  if num == maxx:
    if ord(sm)>ord(i):
      sm = i
print(sm)
print(maxx) 

2.成绩统计

2.成绩统计 - 蓝桥云课 (lanqiao.cn)

import os
import sys

# 请在此输入您的代码
n = int(input())
data = []
for i in range(n):
  data.append(int(input()))
ans1 = 0
ans2 = 0
for i in data:
  if i>=85:
    ans1 += 1
  if i>=60:
    ans2 += 1
print(f'{round(ans2*100/n)}%')
print(f'{round(ans1*100/n)}%')

3.门牌制作

3.门牌制作 - 蓝桥云课 (lanqiao.cn)

import os
import sys

cou = 0
# 请在此输入您的代码
for i in range(1,2021):
  i = str(i)
  cou += i.count('2')
print(cou)

4.卡片

5.卡片 - 蓝桥云课 (lanqiao.cn)

st = ''
flag = 0
# 请在此输入您的代码
for i in range(1,999999):
  ans = i
  i = str(i)
  st += i
  num = st.count('1')
  if num>2021:
    break
print(ans-1)

5.跑步训练

6.跑步锻炼 - 蓝桥云课 (lanqiao.cn)

Python 日期时间(datetime) - 菜鸟教程 (cainiaojc.com)

import os
import sys
import datetime

# 请在此输入您的代码
start = datetime.date(2000,1,1)
end = datetime.date(2020,10,1)
days = datetime.timedelta(days=1)
# print(start)
# print(end-start)
# print(days)
ans = 0
while end>=start:
  if start.day == 1 or start.weekday() == 0:
    ans += 2
  else:
    ans += 1
  start += days
print(ans)

6.蛇形填数

7.蛇形填数 - 蓝桥云课 (lanqiao.cn)

import os
import sys

# 请在此输入您的代码
num1 = 1
for i in range(1,39):
  num1 += i
data = []
for i in range(num1, num1+39):
  data.append(i)
print(data[19])

7.时间显示

10.时间显示 - 蓝桥云课 (lanqiao.cn)

import os
import sys

# 请在此输入您的代码
# 46800999

t = int(input())
t = t//1000
t %= (60*60*24)
h = t//(60*60)
m = (t-(h*60*60))//60
s = t-(h*60*60)-(m*60)
if h<10:
    h = '0'+str(h)
if m<10:
    m = '0'+str(m)
if s<10:
    s = '0'+str(s)
print(f'{h}:{m}:{s}')