陳玫瑄python集合set字典dict統計字元數目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) 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"陳玫瑄統計左引號(出現次數{myDict['(']:,}") print(f'陳玫瑄統計右引號)出現次數{myDict[")"]:,}') print(f'陳玫瑄統計504每題四個選項至少有{504*4:,}')
日期和時間Date and Time必須更正，截圖不夠完整。https://serein-chen.blogspot.com/2026/11/excelformulas.html
回覆刪除沒有嵌入影片。https://serein-chen.blogspot.com/2026/11/htmlcssjavascriptpython.html