百木园# -*- coding:utf-8 -*-
# auther = 林深见鹿，海蓝见鲸
\'\'\'
dict = {\"Bob\":[\"class1\"],\"Alex\":\"class2\",\"Gob\":\"class3\",\"Joe\":\"class4\"}
dict[\'jiao\'] = \"class5\"
print(dict)
print(dict.keys())
print(dict.values())
print(dict.items())
print(dict[\"Bob\"])
for k,v in dict.items():
print(k,v)
for k in dict:
print(k,dict[k])
for k in dict.keys():
print(k)
print(len(dict))
\'\'\'
\'\'\'
import random
sum_number = []
count = 1
for i in range(1,301):
sum_number.append(i)
print(\"总员工号:\",sum_number)
for i in range(6):
count += 1
if count <=4:
win1 = random.sample(sum_number, 30)
for j in win1:
# print(j)
sum_number.remove(j)
print(\"剩余未中奖人员\",len(sum_number))
print(f\"第{count}次开奖\")
print(f\"三等奖中奖名单：{win1}\")
elif 5 <= count <7:
win2 = random.sample(sum_number, 10)
for k in win2:
# print(j)
sum_number.remove(k)
print(\"剩余未中奖人员\",len(sum_number))
print(f\"第{count}次开奖\")
print(f\"二等奖中奖名单：{win2}\")
elif count == 7:
win3 = random.sample(sum_number, 1)
for q in win3:
# print(j)
sum_number.remove(q)
print(\"剩余未中奖人员\",len(sum_number))
print(f\"第{count}次开奖\")
print(f\"一等奖中奖名单：{win3}\")
else:
exit(\"抽奖结束\")
\'\'\'
\'\'\'
import random
import time
staff_number = []
for i in range(300):
staff_number.append(f\"员工{i}\")
print(staff_number)
level = [30,6,3]
for i in range(3):
# print(level[i])
winpople = random.sample(staff_number,level[i])
# print(i)
for p in winpople:
# print(p)
staff_number.remove(p)
print(f\"抽中{3-i}等奖的人是：{winpople}\")
time.sleep(1)
\'\'\'
\'\'\'
all_user = [
[\"赵\",\"北京市顺义区\"],
[\"钱\",\"北京市昌平区\"],
[\"孙\",\"北京市密云区\"],
[\"李\",\"山东省德州市\"],
[\"周\",\"河北省衡水市\"],
[\"吴\",\"天津市南开区\"],
[\"郑\",\"上海市长宁区\"],
[\"王\",\"河南省郑州市\"],
[\"牛\",\"内蒙古呼和浩特\"]
]
new_list = {}
for i in all_user:
print(i[1][:3])
print(i)
if i[1][:3] not in new_list:
new_list[i[1][:3]] = [i]
print(new_list[i[1][:3]])
print([i])
print(new_list.keys())
else:
new_list[i[1][:3]].append(i)
for k in new_list:
print(k,end=\"\\n\")
print(new_list[k],end=\"\\n\")
\'\'\'
\'\'\'
dict = [[\"Bob\",\"class1\"],[\"Alex\",\"class2\"],[\"Gob\",\"class3\"],[\"Joe\",\"class4]\"],[\"class1\",\"class]\"]]
# print(dict)
d2 = {}
for i in dict:
# print(i)
# print(i[1][:6])
if i[1][:6] not in d2:
d2[i[1][:6]] = [i]
else:
d2[i[1][:6]].append(i)
print(d2)
for k in d2:
print(k,end=\'\\n\')
print(d2[k],end=\'\\n\')
\'\'\'
\'\'\'
f = open(r\"C:\\\\Users\\\\xckj-jiaoweinan\\Desktop\\\\1.txt\",mode=\"r+\",encoding=\"utf-8\")
data = f.read()
print(data)
f.write(\"jiao\\n\")
f.write(\"jiao1\\n\")
new = data.replace(\"jiao1\",\"焦\")
print(new)
f.write(new)
f.close()
countsum = data.count(\"jiao\")
print(countsum)
f.seek(0)
f.truncate()
\'\'\'
\'\'\'
a = [1,2,3,4,5,6,7,8,9,0]
print(bool(True))
print(all(a))
\'\'\'
\'\'\'
all_name = dict(name=\"Bob\", age=\"20\", class_number=\"1班\")
print(all_name)
print(dir())
print(locals())
# dir()打印当前程序全部变量名
# locals()打印当前程序全部变量名和变量值
a = list()
a.append(\"1\")
print(a)
l = list(range(10))
print(l)
def count(x):
return x ** 2
res = map(count, l) # 并没有执行 （迭代器），方法只能定义一个参数，方法需要return
for i in res: # 每循环一次，就把列表的元素给count函数执行
print(i)
rex = max(l) #求最大值
rem = min(l) #求最小值
reum = sum(l) #求和
print(rex)
print(rem)
print(reum)
\'\'\'
\'\'\'
print(round(1.2331566,3))
a = [\"1\",\"2\",\"3\"]
b = [\"a\",\"b\",\"c\"]
print(zip(a,b))
# 两个列表每个元素配对,只一一对应，多出的元素不显示配对(py2显示为none)
for i in zip(a,b):
print(i)
\'\'\'
来源：https://www.cnblogs.com/jiaown123/p/15987090.html
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