print,import
赋值
条件和条件语句:布尔值、bool函数、if、else、elif
嵌套代码块、相等运算符==、同一性运算符is、成员资格运算符in、字符串和序列比较、布尔运算符、断言
while、for、range
并行迭代、编号迭代、翻转和排序迭代
break、continue、循环中else子句
列表推导式(List Comprehension)
pass、del、exec、eval
pass语句什么都不做,可以作为占位符使用。
del语句用来删除变量,或者数据结构的一部分,但是不能用来删除值。
exec语句用于执行Python程序相同的方式来执行字符串。
内建的eval函数对写在字符串中的表达式进行计算并且返回结果。
summary
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