Question: 
Write a function to remove lowercase substrings from a given string by using regex.


Model's Code:
import re

def remove_lowercase(s):
    return re.sub(r'[a-z]', '', s)



Sample Correct Code:
import re
def remove_lowercase(str1):
  remove_lower = lambda text: re.sub('[a-z]', '', text)
  result =  remove_lower(str1)
  return (result)


Asserts:
assert remove_lowercase('KDeoALOklOOHserfLoAJSIskdsf') == 'KDALOOOHLAJSI'
assert remove_lowercase('ProducTnamEstreAmIngMediAplAYer') == 'PTEAIMAAY'
assert remove_lowercase('maNufacTuredbYSheZenTechNolOGIes') == 'NTYSZTNOGI'


Tests:
Test 1 of 3: PASS
Test 2 of 3: PASS
Test 3 of 3: PASS

Test 495 of 974: 364/495 (73.53535353535354%): success