1、
a = str(input("请输入姓名:"))
b= str("你好!")
c = b + a
print("{:*^20} ".format (c))
2、
a = 45.66666
c = 45.4444
s = int(c + 0.5)
b = int(a + 0.5)
print(a)
print(c)
print (b )
print(s )
3、不能
4、C 不对
5、 (1)3
(2)True
(3) 0
1、
a = str(input("请输入姓名:"))
b= str("你好!")
c = b + a
print("{:*^20} ".format (c))
2、
a = 45.66666
c = 45.4444
s = int(c + 0.5)
b = int(a + 0.5)
print(a)
print(c)
print (b )
print(s )
3、不能
4、C 不对
5、 (1)3
(2)True
(3) 0