How i understand "raising errors"

Question

suppose i want an user to input a name which consist of alphabets only.
and the user enters numbers.
here i can raise an error.
thank u

Answer 1

Here, I wrote a function that checks for numbers and makes them re-enter their name

def getName():
name=input("Enter Your Name ")
for i in name:
if i.isnumeric():
print("Error: No Numbers\n")
getName()
else:
pass
return name

name=getName()
print("Your name is "+name)