my_list = ['cat', 'dog', 'cat', 'cat', 'bird', 'ant', 'cat']
'''
#skips over some
for value in my_list:
    print (value)
    if value == 'cat':
        my_list.remove('cat')

'''

while 'cat' in my_list:
    my_list.remove('cat')

print(my_list)
'''
for i in range(my_list.count('cat')):
    my_list.remove('cat')
'''