字符串基本操作

s=‘星期一星期二星期三星期四星期五星期六星期日‘
d= int(input(‘输入1-7:‘))
print(s[3*(d-1):3*d])

s=input(‘请输入学号:‘)
print(‘年级:‘,s[0:4])
print(‘专业:‘+s[4:6])
print(‘班级:‘+s[6:9])
print(‘序号:‘+s[-3:])

id=input("请输入身份证号:")

address=int(id[0:6])
sex=int(id[-2])

if address==440000:
    print("省市区为：广东省")
elif address==440100:
    print("省市区为：广东省广州市")
elif address==440103:
    print("省市区为：广东省广州市荔湾区")
elif address==440104:
    print("省市区为：广东省广州市越秀区")
elif address==440105:
    print("省市区为：广东省广州市海珠区")
elif address==440106:
    print("省市区为：广东省广州市天河区")
elif address==440111:
    print("省市区为：广东省广州市白云区")
elif address==440112:
    print("省市区为：广东省广州市黄埔区")
elif address==440181:
    print("省市区为：广东省广州市番禺区")
elif address==440182:
    print("省市区为：广东省广州市花都区")
elif address==440184:
    print("省市区为：广东省广州市从化区")
    
print("年龄为:",2017-int(id[6:10]))

if(sex%2==0):
    print("性别为女性.")
else:
    print("性别为男性.")

print(eval(‘4+5‘)) 

s="abcd"
print(len(s)) 

c=‘abc‘
d=‘de‘
print(c+d)    

r=‘Hello‘
print(r*3)  

print(‘abc‘ in s)  

for i in (‘Hello World‘):
    print(i)

print(‘\n‘+chr(9801)+‘\n‘+chr(9802)+‘\t‘+chr(9803)+‘\\‘+chr(9804))

for i in range(12):
    if(i==11):
        print((chr(9800+i)))
    else:
        print((chr(9800+i))+‘\\‘,end="")