Whats wrong here

Question

phone= input("phones: ")
mapping= {
"1" : "one"
"2" : "two"
"3" : "three"
}
output= " "
for ch in phone:
output+=mapping.get(ch,"!")+" "
print(output)

Answer 1

There need to be commas after each key/value pair in the dictionary

Answer 2

Anna Ok,thanks