code. compile. run. debug. share.
current_users = ['nikki', 'sarah', 'steven', 'john', 'ellen']
new_users = ['Nikki', 'matt', 'sarah', 'jonathan', 'eric', 'sarah', 'nikki']
new_users_lower = map(str.lower, new_users)
for user in new_users_lower:
if user in current_users:
print(f"Sorry, {user}, that username is already taken.")
else:
print(f"Welcome, {user}.")
Compiling Program...
Standard Input:
Interactive Console
Text
Program is not being debugged. Click "Debug" button to start program in debug mode.
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