Encryption program!

Question

you take a text from user an encryption it with this algorithm:
Letters is:
W="abcdefghijklmnopqrstuvwxyz ABCDEFGHIGKLMNOPQRSTUVWXUZ1234567890"
Key is:
K="76yxzqpfYXZQPSRsrutwED GFvihkjm3254lonWVIHacbedgUTKJMLO9810NACB"
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it's mean : a=7, b=6, c=y,..... 9=C, 0=B
For example :
if user enter: "Hello World Guys"
program output is:"lzQQRhKRuQxh4Evt"
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Good luck!

Answer 1

See comments
https://www.sololearn.com/learn/10366/?ref=app
Don't post challenges here. Only post them in your feed.
https://www.sololearn.com/discuss/1316935/?ref=app

Answer 2

Looks like your encrypted string is erroneous.
As per https://code.sololearn.com/cFSBMHtBe99X/#py
the output would be:
4zQQRiTRuQxioEFt

This is too weak for a challenge but quite okay for a homework