1. Invalid code for empty list detection
2. Code:
admin_list= ["admin","zeyu","xx","yy","zz"]
admin_list2 = admin_list
print (admin_list2)
del admin_list2 [:]
print (admin_list2)
if admin_list2:
for admin2 in admin_list2:
print("welcome"+admin2)
else:
print("we need to find some users!")
del admin_list2 [:], only the values in the list are deleted, but not the list itself. There is also
in admin_list2. When if judges, because it is an empty list, it is because False
does not enter the traversal below
where else should not be indented, but should be aligned with if
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