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第一题
myDict = {"zs": 123, "ls": 456}
temp = 1
while temp < 4:
userName = input("第%d次,请输入用户名:" % temp)
passwd = int(input("第%d次,请输入密码:" % temp))
if (userName in myDict) and (passwd == myDict.get(userName)):
print("登录成功!")
break
else:
print("用户名或密码输入错误,请重新输入:")
temp += 1
第二题
import re
Time = "abc 2020-12-24 2020-12-25"
pat = r"\d{4}\W{1,2}\d{1,2}\d{1,2}"
res = re.findall(pat, Time)
print(res)
第三题
class Person(object):
name = ""
def run(self):
print("run")
per1 = Person()
print(per1)
print(id(per1))
per2 = Person()
print(per2)
print(id(per2))
第四题
class RectArea(object):
def __init__(self, length, width):
self.length = length
self.width = width
def area(self):
s = self.length*self.width
print(s)
res = RectArea(7, 9)
res.area() |
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