林心憲python檔案file方法methods 

f = open("ascii.txt", "r")
#註解開啟open檔案ascii.txt讀取模式r開啟之後要關閉
x = f.read()
f.close()
print("檔案長度", len(x))
print("列印內容",x)
f=open("ascii.txt","r")
y=f.readlines() #輸出成串列list,長度是列數
print("串列y的長度",len(y))
for i in range(len(y)): #迴圈跑i從0到y的長度
    print("第",i+1,"列",y[i])



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