list = ['abc', 'def']
map_list = []

for s in list:
  t = (list[s], 1)
  map_list.append(t)

list1 = ['abc', 'def']
list2=[]
for t in list1:
    for h in t:
        list2.append(h)
map_list = []
for x,y in enumerate(list2):
    map_list.append(x)
print (map_list)

>>>
[0, 1, 2, 3, 4, 5]
>>>

list1 = ['abc', 'def']
map_list=[]
for x,y in enumerate(list1):
    map_list.append(x)
print (map_list)

>>>
[0, 1]
>>>

orig_list = ['abc', 'def']
map_list = [(el, 1) for el in orig_list]

for s in mylist:
    t = (mylist[s], 1)

for s in lists:
    t = (s, 1)
    map_list.append(t)
print map_list
#[('abc', 1), ('def', 1)]

for s in my_list:     # here s is element  of list not index of list
    t = (s, 1)
    map_list.append(t)

for i,s in enumerate(my_list):  # here i is the index and s is the respective element
    t = (s, i)
    map_list.append(t)