4 Matching Annotations
- Jul 2021
-
eng.libretexts.org eng.libretexts.org
-
default value
預設值，為0
-
The for loop traverses the string. Each time through the loop, if the character c is not in the dictionary, we create a new item with key c and the initial value 1 (since we have seen this letter once). If c is already in the dictionary we increment d[c]
看到幾次就藉由迴圈加幾次 藉由字典來儲存字元
-
-
eng.libretexts.org eng.libretexts.org
-
one': 'uno'
one 為 key uno 為 value
-
built-in
內置
-