# returns an index
list
s =
[1,2,3,4,1,2,3,4,1,2,4,3,4,5,6,6,7,8,9,1,2,3,4,5,6,7,3,2,1]
def get_index(s, item,
i=0):
i_list = []
while True:
try:
i = s.index(item,
i)
i_list.append(i)
i += 1
except:
break
return i_list
print get_index(s, 1)
print get_index(s, 4)
print get_index(s, 7)
print get_index(s, 0)
"""
>>> [0, 4,
8, 19, 28]
[3, 7, 10, 12, 22]
[16, 25]
[]
"""