04- simpledateformat 例子:根据用户输入的出生年月日,计算用户活了
instance #dateformat #getdatetimeinstance #simpledateformat1
w3schools
format(j, i, j * i), end="\t")for j in range(1, i 1):for i in
414python字符串格式化format
Tips:Do Not Provide
Personal Loans: Go Easy On Your Finances
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