Python Errors and exceptions

Source: Internet
Author: User

Syntax: When no statement exception occurs, the statement in else is executed.

Try
Here is the statement block
Except (IOerror), x: #其中x代表异常的实例
Print X
Else
Print "Program No errors! "

Case:

a=10b=0try:    = b /    aprint  cexcept (IOError, Zerodivisionerror), x:     Print x Else :     Print " No error " Print "  Done "
Python Exception class
Abnormal Describe
Nameerror Try to access a variable that is not declared
Zerodivisionerror Divisor is 0
SyntaxError Syntax error
Indexerror Index out of sequence range
Keyerror Request a dictionary keyword that does not exist
IOError Input/output error (e.g. the file you want to read does not exist)
Attributeerror Attempting to access an unknown object property
ValueError The parameter type passed to the function is incorrect, such as passing the string to the Int () function

Python Errors and exceptions

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