Complete a simple Python program to implement a simple subtraction calculator function

#!/bin/usr/env python
#coding =utf-8
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Complete a simple Python program to implement a simple subtraction calculator function
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Try
    A=int (raw_input ("Please input a number:"))
Except ValueError:
    Print ("First OP digit input non-digit")


Try
    B=int (raw_input ("Please input another number:"))
Except ValueError:
    Print ("Second arithmetic digital input non-digital")

Print ("Printing two number of and:%d"% (a+b))
Print ("The difference between printing the first number minus the second number is:%d"% (A-B))
Try
    Print ("The difference between printing the first number divided by the second number is:%d"% (A/b))
Except Zerodivisionerror:
    Print (the divisor is 0, please enter it correctly!) ")

Print ("The product of printing two numbers is:%d"% (a*b))

Complete a simple Python program to implement a simple subtraction calculator function