python数字与字母分离

Question

怎么在原有代码的基础上改动，达到以上结果

Answer 1

a=input()
b=''
c=''
for i in a:
    if i in ['1','2','3','4','5','6','7','8','9']:
        c+=i
    else:
        b+=i
if not c :
    c=0
b = b.replace(' ', '')  
print(c,str.upper(b))