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parent 5e7737c5
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Showing with 3 additions and 2 deletions
diy.py
...@@ -15,4 +15,5 @@ print(hero) ...@@ -15,4 +15,5 @@ print(hero)
print('i =',i) print('i =',i)
print('len =',len(hero)) print('len =',len(hero))
#臂力大王 #臂力大王
print("臂力大王是：",hero[-7:-1]) print("臂力大王是：",hero[10:1:-2]) #从右往左
\ No newline at end of file print("臂力大王是：",hero[-1:-10:-2]) #负索引
\ No newline at end of file
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