zip

README.md

@@ -118,6 +118,8 @@ def spread(arg):
 
 
 
+
+
 ```
 
 ```python
@@ -132,6 +134,7 @@ Create a `set` from `b`, then use list comprehension to only keep values not con
 
 ```python 
 
+
 def difference(a, b):
     b = set(b)
     return [item for item in a if item not in b]
@@ -319,6 +322,30 @@ def spread(arg):
 ```python
 spread([1,2,3,[4,5,6],[7],8,9]) # [1,2,3,4,5,6,7,8,9]
 ```
+### zip
+
+Creates a list of elements, grouped based on the position in the original lists.
+
+Use `max` combined with `list comprehension` to get the length of the longest list in the arguments. Loops for `max_length` times grouping elements. If lengths of `lists` vary `fill_value` is used. By default `fill_value` is `None`.
+
+```python 
+
+
+def zip(*args, fillvalue=None):
+    max_length = max([len(arr) for arr in args])
+    result = []
+    for i in range(max_length):
+        result.append([args[k][i] if i < len(args[k])
+                       else None for k in range(len(args))])
+    return result
+
+```
+
+``` python
+zip(['a', 'b'], [1, 2], [True, False]); // [['a', 1, True], ['b', 2, False]]
+zip(['a'], [1, 2], [True, False]); // [['a', 1, True], [None, 2, False]]
+zip(['a'], [1, 2], [True, False], fill_value = '_'); // [['a', 1, True], ['_', 2, False]]
+```
 
 ## Credits
 

snippets/deep_flatten.md

@@ -27,6 +27,8 @@ def spread(arg):
 
 
 
+
+
 ```
 
 ```python

snippets/difference.md

@@ -6,6 +6,7 @@ Create a `set` from `b`, then use list comprehension to only keep values not con
 
 ```python 
 
+
 def difference(a, b):
     b = set(b)
     return [item for item in a if item not in b]

snippets/zip.md

@@ -0,0 +1,24 @@
+### zip
+
+Creates a list of elements, grouped based on the position in the original lists.
+
+Use `max` combined with `list comprehension` to get the length of the longest list in the arguments. Loops for `max_length` times grouping elements. If lengths of `lists` vary `fill_value` is used. By default `fill_value` is `None`.
+
+```python 
+
+
+def zip(*args, fillvalue=None):
+    max_length = max([len(arr) for arr in args])
+    result = []
+    for i in range(max_length):
+        result.append([args[k][i] if i < len(args[k])
+                       else None for k in range(len(args))])
+    return result
+
+```
+
+``` python
+zip(['a', 'b'], [1, 2], [True, False]); // [['a', 1, True], ['b', 2, False]]
+zip(['a'], [1, 2], [True, False]); // [['a', 1, True], [None, 2, False]]
+zip(['a'], [1, 2], [True, False], fill_value = '_'); // [['a', 1, True], ['_', 2, False]]
+```