字典教程
Jan 24, 2025 am 04:12 AM#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 < len(str): if str[i] == ' ': dict[str[previous_space:i]] = dict.get(str[previous_space:i],0)+1 previous_space = i+1 i+=1 else: dict[str[previous_space:len(str)]] = dict.get(str[previous_space:len(str)],0)+1 print(dict) print() #Task 5 : #Sort based on values: players = {'virat':190, 'rohit':87, 'dhoni':95, 'bumrah': 80, 'hardik':66, 'pant':34, 'sachin':98} sorted_dict ={} lowest = list(players.values())[0] lowest_key = list(players.keys())[0] i=0 length = int(len(players)) while i<length: for k, v in players.items(): if v < lowest: lowest = v lowest_key = k sorted_dict[lowest_key] = lowest players = {k:v for k, v in players.items() if k!= lowest_key} if players != {}: lowest = list(players.values())[0] lowest_key = list(players.keys())[0] i+=1 print(sorted_dict)
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