Software test interview question: string "axbyczdj", if you get the result "ABCD"

character string "axbyczdj", If we get results “abcd

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        Method 1 ：
       
       

       
       
#  String slice 
       
       

       
       
a = "axbyczdj"
       
       

       
       
print(a[::2])
       
       

       
       
 Method 2 ：
       
       

       
       
a = "axbyczdj"
       
       

       
       

       
       
c = []
       
       

       
       

       
       
for i in range(len(a)):
       
       
if i 2 == 0:
       
       
c.append(a[i])
       
       
print("".join(c))
      
      
      
      

       
       
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