Review Python BASICS (8)

1. Sort out Python keywords

 #  _ * _ Coding: UTF-8 _*_  And  Del   # Deleting an element in the list or this list applies to dictionaries.  From  Not  While  As  Elif  Global  Or  With  #  Http://www.cnblogs.com/Brogrammer/archive/2012/07/23/2605570.html Assert   #  The assert statement is used to declare that a condition is true. For example, if you are very sure that a list you are using has at least one element, and you want to test this and cause an error when it is not true, the assert statement is an ideal statement applied in this case. When the assert statement fails, an assertionerror is thrown.  Else  If  Pass  Yield   #  Http://developer.51cto.com/art/201301/379132.htm  Break  Except   #  Similar to try... catch statements  Import Print  Class  Exec   #  Exec statements are used to execute Python statements stored in strings or files. For example, we can generateCodeAnd then execute these statements using the exec statement.  In  Raise  Continue  Finally  Is  Return  Def  For  Lambda  Try 

2. Data Type

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Truefalsenonestringsnumbersfloatslists
 

3. String output format

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%D%I%O%U%X%X%E%E%F%F%G%G%C%R%S%
 

4. Operators

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+-*** // % <> <=>==! = <>() [] {}@,:.=;+ =-= * =/= // = % = ** =