#Task 1 players = {'virat':190, 'rohit':87, 'dhoni':95, 'bumrah':100, 'sachin':78, 'Rahul':160} #Total Score total_score = 0 for k, v in players.items(): total_score = total_score + v print(total_score) print() #Task 2 #Highest Scorer highest = 0 for k, v in players.items(): if v > highest: highest = v high_k = k print(high_k,highest) print() #Task 3: #Frequency of each letter in a given word: name = "delllaptop" d = {} for letter in name: d[letter] = d.get(letter,0) + 1 print(d) print() #Task 4 : #Frequency of each word in a given sentence #str = 'a rose is a rose is a rose' str = 'Cat is a pet , Cat is on the table and Cat is sleeping' i = 0 previous_space = 0 dict = {} while i
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在Python中,可以通過多種方法連接列表並管理重複元素:1)使用 運算符或extend()方法可以保留所有重複元素;2)轉換為集合再轉回列表可以去除所有重複元素,但會丟失原有順序;3)使用循環或列表推導式結合集合可以去除重複元素並保持原有順序。

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