**Infinite Iterators:**
- ================== ================= =================================================
- Iterator Arguments Results
- ================== ================= =================================================
- :func:`count` start start, start+1, start+2, ...
- :func:`cycle` p p0, p1, ... plast, p0, p1, ...
- :func:`repeat` elem [,n] elem, elem, elem, ... endlessly or up to n times
- ================== ================= =================================================
+================== ================= ================================================= =========================================
+Iterator Arguments Results Example
+================== ================= ================================================= =========================================
+:func:`count` start, [step] start, start+step, start+2*step, ... ``count(10) --> 10 11 12 13 14 ...``
+:func:`cycle` p p0, p1, ... plast, p0, p1, ... ``cycle('ABCD') --> A B C D A B C D ...``
+:func:`repeat` elem [,n] elem, elem, elem, ... endlessly or up to n times ``repeat(10, 3) --> 10 10 10``
+================== ================= ================================================= =========================================
**Iterators terminating on the shortest input sequence:**
- ==================== ============================ =================================================
- Iterator Arguments Results
- ==================== ============================ =================================================
- :func:`chain` p, q, ... p0, p1, ... plast, q0, q1, ...
- :func:`dropwhile` pred, seq seq[n], seq[n+1], starting when pred fails
- :func:`groupby` iterable[, keyfunc] sub-iterators grouped by value of keyfunc(v)
- :func:`ifilter` pred, seq elements of seq where pred(elem) is True
- :func:`ifilterfalse` pred, seq elements of seq where pred(elem) is False
- :func:`islice` seq, [start,] stop [, step] elements from seq[start:stop:step]
- :func:`imap` func, p, q, ... func(p0, q0), func(p1, q1), ...
- :func:`starmap` func, seq func(\*seq[0]), func(\*seq[1]), ...
- :func:`tee` it, n it1, it2 , ... itn splits one iterator into n
- :func:`takewhile` pred, seq seq[0], seq[1], until pred fails
- :func:`izip` p, q, ... (p[0], q[0]), (p[1], q[1]), ...
- :func:`izip_longest` p, q, ... (p[0], q[0]), (p[1], q[1]), ...
- ==================== ============================ =================================================
+==================== ============================ ================================================= =============================================================
+Iterator Arguments Results Example
+==================== ============================ ================================================= =============================================================
+:func:`chain` p, q, ... p0, p1, ... plast, q0, q1, ... ``chain('ABC', 'DEF') --> A B C D E F``
+:func:`dropwhile` pred, seq seq[n], seq[n+1], starting when pred fails ``dropwhile(lambda x: x<5, [1,4,6,4,1]) --> 6 4 1``
+:func:`groupby` iterable[, keyfunc] sub-iterators grouped by value of keyfunc(v)
+:func:`ifilter` pred, seq elements of seq where pred(elem) is True ``ifilter(lambda x: x%2, range(10)) --> 1 3 5 7 9``
+:func:`ifilterfalse` pred, seq elements of seq where pred(elem) is False ``ifilterfalse(lambda x: x%2, range(10)) --> 0 2 4 6 8``
+:func:`islice` seq, [start,] stop [, step] elements from seq[start:stop:step] ``islice('ABCDEFG', 2, None) --> C D E F G``
+:func:`imap` func, p, q, ... func(p0, q0), func(p1, q1), ... ``imap(pow, (2,3,10), (5,2,3)) --> 32 9 1000``
+:func:`starmap` func, seq func(\*seq[0]), func(\*seq[1]), ... ``starmap(pow, [(2,5), (3,2), (10,3)]) --> 32 9 1000``
+:func:`tee` it, n it1, it2 , ... itn splits one iterator into n
+:func:`takewhile` pred, seq seq[0], seq[1], until pred fails ``takewhile(lambda x: x<5, [1,4,6,4,1]) --> 1 4``
+:func:`izip` p, q, ... (p[0], q[0]), (p[1], q[1]), ... ``izip('ABCD', 'xy') --> Ax By``
+:func:`izip_longest` p, q, ... (p[0], q[0]), (p[1], q[1]), ... ``izip_longest('ABCD', 'xy', fillvalue='-') --> Ax By C- D-``
+==================== ============================ ================================================= =============================================================
**Combinatoric generators:**