盧辰侑python集合set字典dict統計字元樹木37,241不同字元數1,251
file = open('金融常識.txt','r',encoding='utf-8') reading = file.read() file.close() print('檔案字元characters數:', len(reading)) mySet = set(reading) print(f'字元數目{len(reading):,}，不同字元數{len(mySet):,}') myDict = dict() for j in mySet: myDict[j] = 0 for i in reading: myDict[i] += 1 for j in mySet: print(f"字元「{j}」出現{myDict[j]:,}次數") print(f'字元數目{len(reading):,}，不同字元數{len(mySet):,}') print(f'盧辰侑統計左引號(出現次數{myDict['(']:,}') print(f'盧辰侑統計右引號(出現次數{myDict[')']:,}') print(f'盧辰侑統計504美題四個選項至少有{504*4:,}')
程式設計期中考，天縱英明，可惜沒有嵌入影片，你讓天下的妹子失望了.https://alston123773.blogspot.com/2026/11/htmlcssjavascriptpython.html
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