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N = int(input())
uids = map(lambda u: set(u.strip()), sys.stdin.readlines()[:N])
for u in uids:
if (len(u & alnum) == 10 and
len(u & upper) >= 2 and
len(u & digit) >= 3):
print('Valid')
else:
print('Invalid')
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Validating UID
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import sys import string
upper = set(string.ascii_uppercase) digit = set(string.digits) alnum = set(string.ascii_letters) | digit
N = int(input()) uids = map(lambda u: set(u.strip()), sys.stdin.readlines()[:N]) for u in uids: if (len(u & alnum) == 10 and len(u & upper) >= 2 and len(u & digit) >= 3): print('Valid') else: print('Invalid')