摘要：
1 # 位运算符 2 number = 32 3 number2 = -32 4 print(number, "左移一位：", number << 1) 5 print(number, "右移一位：", number >> 1) 6 print(number2, "左移一位：", number2 < 阅读全文
摘要：
# ASCII 码 a = ord("赵"); b = ord('文'); c = ord('卓'); print('赵的ASCII码对应',a,'文的ASCII码对应',b, '卓的ASCII码对应',c); c = chr(66); print(c); # 占位符 替换内容 # %d 整数 # 阅读全文
摘要：
1 student = {1: 'jack', 2: 'swq', 3: 'zyg'} 2 print(student[2]) 3 4 #del 删除 5 del student[2] 6 print(student) 7 8 #clear 清空 9 student.clear() 10 print 阅读全文