Where is my error ? Problem no numerals

Question

a=input()
for i in a:
if(i=="0"):
print("zero",end="")
elif (i=="1"):
print ("one",end="")
elif (i=="2"):
print ("two",end="")
elif (i=="3"):
print ("three",end="")
elif (i=="4"):
print ("four",end="")
elif (i=="5"):
print ("five",end="")
elif (i=="6"):
print ("six",end="")
elif (i=="7"):
print ("seven",end="")
elif (i=="8"):
print ("eight",end="")
elif (i=="9"):
print ("nine",end="")
elif (i=="10"):
print ("ten",end="")
else:
print (i,end="")

Answer 1

Dadaxon Xudayberganov 🇺🇿🇺🇿🇺🇿 ,

> to replace the digits by a *word-number*, we have to split the input sentence to a list of individual words.

> after this we can iterate over this list and start the replacement and the output.

Answer 2

Loop iterates by each single character so it never reads "10" by loop.. and will be read as "1"," 0".

Answer 3

O, I forget it, thanks