Whats wrong with that...plz help

Question

print(name:=input ()+" is "+age:=input())

Answer 1

The issue is that you are try to assign 2 variables in a + expression.

Whats wrong with that...plz help

Either remove the variables (you don't need them)
print(input ()+" is "+input())

Or separate the assignments:
print(name:=input (), "is", age:=input())