w3schools
编辑器
运行结果尺寸:
625 x 591
f = open("demofile.txt", "r") print(f.read(33))
x
f = open("demofile.txt", "r")
print(f.read(33))
C:\Users\My Name>python demo_file_read2.py
Hello! Welcome to demofile.txt
Th