python day02 格式化输出逻辑运算

#格式化输出

# % s d
# name = input('请输入姓名')
# age = input('请输入年龄')
# height = input('请输入身高')
# msg = "我叫%s,今年%s 身高 %s" %(name,age,height)
# print(msg)
"""
name = input('请输入姓名:')
age = input('请输入年龄:')
job = input('请输入工作:')
hobbie = input('你的爱好:')

msg = '''------------ info of %s -----------
Name  : %s
Age   : %d
job   : %s
Hobbie: %s
------------- end -----------------''' %(name,name,int(age),job,hobbie)
print(msg)
"""
name = input('请输入姓名')
age = input('请输入年龄')
height = input('请输入身高')
msg = "我叫%s,今年%s 身高 %s 学习进度为3%%s" %(name,age,height)
print(msg)

#逻辑运算

#and or not
#优先级,()> not > and > or
# print(2 > 1 and 1 < 4)
# print(2 > 1 and 1 < 4 or 2 < 3 and 9 > 6 or 2 < 4 and 3 < 2)

# print(3>4 or 4<3 and 1==1) # F
# print(1 < 2 and 3 < 4 or 1>2) # T
# print(2 > 1 and 3 < 4 or 4 > 5 and 2 < 1) # T
# print(1 > 2 and 3 < 4 or 4 > 5 and 2 > 1 or 9 < 8) # F
# print(1 > 1 and 3 < 4 or 4 > 5 and 2 > 1 and 9 > 8 or 7 < 6) # F
# print(not 2 > 1 and 3 < 4 or 4 > 5 and 2 > 1 and 9 > 8 or 7 < 6) # F

#ps int ----> bool 非零转换成bool True 0 转换成bool 是False
# print(bool(2))
# print(bool(-2))
# print(bool(0))
# #bool --->int
# print(int(True)) # 1
# print(int(False)) # 0

'''x or y x True,则返回x'''
# print(1 or 2) # 1
# print(3 or 2) # 3
# print(0 or 2) # 2
# print(0 or 100) # 100

'''x and y x True,则返回y'''
# print(1 and 2)
# print(0 and 2)
print(2 or 1 < 3)
print(3 > 1 or 2 and 2)

# #计算 1 - 2 + 3 ... + 99 中除了88以外所有数的总和

# i=1
# sum=0
# while i <100:
#     if i==88:
#         i += 1
#         continue
#     if i%2!=0:
#         sum=sum+i
#     else:
#         sum=sum-i
#     i += 1
# print(sum)

# #计算 1 - 2 + 3 ... -99 中除了88意外所有数的总和

i=0
j=-1
sum=0
while i<99:
    i=i+1
    if i==88:
        continue
    else:
        j = -j
        sum=sum+i*j

print(sum)

#⽤户登陆(三次输错机会)且每次输错误时显示剩余错误次数(提示:使⽤字符串格式化)

username = "yangxiaoer"
password = "123456"
i = 3
while i > 0:
    zh = input("请输入你的账号:")
    i -= 1
    if zh == username:
        mm = input("请输入你的密码:")
        if mm == password:
            print("验证成功.正在登陆......")
            print('''恭喜你登陆成功!
            欢迎用户进入
            用户名 :%s
            密码   :%s
            '''%(zh,mm))
            break
        else:
            if i == 0:
                print("你的机会已经没了!game over 下次见!")
                answer = input('再试试?Y or N')
                if answer == 'Y':
                    i = 3
            print("密码错误,请重新输入")
            print("你还有"+str(i)+"次机会")
    else:
        print("请输入正确的用户名!")
        if i == 0:
            print("你的机会已经没了!")
            answer = input('再试试?Y or N')
            if answer == 'Y':
                i = 3
        print("你还有" + str(i) + "次机会")
else:
    print('你TM要不要脸')

 

原文地址:https://www.cnblogs.com/liujinlei/p/9836793.html