Validating IOTA address

IOTA101_C65223B0864A.py

# The snippet is a part of the IOTA Developer Essentials project. You can reach it at https://hribek25.github.io/IOTA101/
# Complete description and story behind the snippet is available at: https://hribek25.github.io/IOTA101/Allchapters_python.ipynb.html#C65223B0864A
# Requirement: PyOTA library (!pip install pyota)

import iota
import sys
from pprint import pprint

InputAddr = b"CYJV9DRIE9NCQJYLOYOJOGKQGOOELTWXVWUYGQSWCNODHJAHACADUAAHQ9ODUICCESOIVZABA9LTMM9RWTHBIRSXTA"
if len(InputAddr)!=90:
    print("Incorrect lenght of the given address. Please, use an address including checksum.")
    exit(2)

try:
    # address including checksum
    Adr2 = iota.Address(InputAddr)
except :
    print("Not valid input address given")
    sys.exit(1)

pprint("Input address incl checksum:")
pprint(Adr2)
print("Is it valid addr based on checksum? %s" % (Adr2.is_checksum_valid()))

print("\nInput address excl checksum:")
pprint(Adr2[:81]) # return only first 81 characters