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file types: plaintext files, such as .txt .py Binary files, such as .docx, .pdf, iamges, spreadsheets, and executable programs(.exe) steps to read/wri 阅读全文
摘要：
To lauch IDLE in the Current Woking Directory >>> usr/bin/idle3 Alt + n # next command Alt+p # previous command >>> import os # os module>>> os.getcwd 阅读全文
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1.for loop example 1: sum of 1+2+...+10 ********** >>> sum=0 >>> for x in [1,2,3,4,5,6,7,8,9,10]: sum=sum+x >>> print(sum) ********** example 2: sum o 阅读全文