>>> row = ["1", "bob", "developer", "python"]
>>> print(','.join(str(x) for x in row))
1,bob,developer,python

is same as

>>> print(*row, sep=',')
1,bob,developer,python


>>> iterable = ['a','b','c']
>>> c = 0
>>> for item in iterable:
>>>     print c, item
>>>     c+= 1
0 a
1 b
2 c

is same as

>>> for c, item in enumerate(iterable):
>>>     print c, item