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What do python's 33 reserved words mean?

Aug 31, 2020 pm 01:28 PM
python

Python’s 33 reserved words mean: 1. [and] is used for expression operations and logical AND operations; 2. [as] is used for type conversion; 3. [assert] is used to judge variables or Whether the value of the conditional expression is true; 4. [break] interrupts the execution of the loop statement.

What do python's 33 reserved words mean?

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python The 33 reserved words mean:

python reserved words Description

  • ##and Used for expression operations, Logic and operation

  • # AS is used for type conversion

  • #ASSERT asserted to determine whether the value of variables or conditional expressions is true

  • break                                                                                                                                                                                                                          . Loop

  • ##def Used to define functions or methods
  • del Delete the value of a variable or sequence
  • LIF condition statement is combined with iF Else use
  • ## Else conditional statement condition statement, combined with if, elif. It can also be used for exceptions and loops.
  • except includes the operation code after catching the exception, and is used in combination with try and finally.
  • exec is used for Execute python statement
  • ##for                                                                                                                                                                               to be executed. Use
  • ## From to import modules with TRY, Except, and use
  • ## Global defining global variables
  • if                                                                                                                                                                                                                                                                                               # in Determine whether the variable exists in the sequence
  • ##is Determine whether the variable is an instance of a certain class

  • ##lambda Define anonymous function

  • # NOT for expression operations, logic non -operation

  • ## or used for expression operations, logic or operation
  • #pass -empty class, function, method, method of method
  • ## Print printing sentence
  • # Raise abnormally throw operation
  • return Used to return calculation results from functions
  • try Contains statements that may cause exceptions, used in conjunction with except and finally
  • while                                                                                                                                                 using       using       using         using ’ s ’ s ’ ’ s ’ ’ s through through through through through using ’s ’ through through through ‐ ‐ ‐ ‐ ‐ n n ‐ to to return values ​​from functions in turn
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