判断输入几个数字几个字母

 1 i1=input(">>>")
 2 i2=0
 3 i3=0
 4 for i4 in range(0,len(i1)):
 5     if i1[i4].isdecimal():
 6         i2 = i2+1
 7     elif i1[i4].isalpha():
 8         i3=i3+1
 9     else:
10         pass
11 print("数字：",i2,"字母：",i3)