sankarcloud
diff --git a/‎README.md
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Lines changed: 7 additions & 7 deletions
diff --git a/‎advanced/iterators.md
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Lines changed: 43 additions & 43 deletions
diff --git a/‎advanced/magicmethods.md
Lines changed: 1 addition & 1 deletion b/‎advanced/magicmethods.md
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diff --git a/‎basics/answers.md
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@@ -27,7 +27,7 @@ The tutorial consists of two sections:
 
 ### Basics
 
-This section will get you started with using Python and you'll be able 
+This section will get you started with using Python and you'll be able
 to learn more about whatever you want after studying it.
 
 1. [What is programming?](basics/what-is-programming.md)
@@ -51,14 +51,14 @@ to learn more about whatever you want after studying it.
 
 ### Advanced
 
-If you want to learn more advanced techniques, you can also read this 
-section. Most of the techniques explained here are great when you're 
-working on a large project, and your code would be really repetitive 
+If you want to learn more advanced techniques, you can also read this
+section. Most of the techniques explained here are great when you're
+working on a large project, and your code would be really repetitive
 without these things.
 
-You can experient with these things freely, but please **don't use these 
-techniques just because you know how to use them.** Prefer the simple 
-techniques from the Basics part instead when possible. Simple is better 
+You can experient with these things freely, but please **don't use these
+techniques just because you know how to use them.** Prefer the simple
+techniques from the Basics part instead when possible. Simple is better
 than complex.
 
 1. [Advanced stuff with functions](advanced/functions.md)
 
@@ -5,33 +5,33 @@ So far we have used for loops with many different kinds of things.
 ```py
 >>> for name in ['theelous3', 'RubyPinch', 'go|dfish']:
 ...     print(name)
-... 
+...
 theelous3
 RubyPinch
 go|dfish
 >>> for letter in 'abc':
 ...     print(letter)
-... 
+...
 a
 b
 c
->>> 
+>>>
 ```
 
-For looping over something is one way to **iterate** over it. Some other 
-things also iterate, for example, `' '.join(['a', 'b', 'c'])` iterates 
-over the list `['a', 'b', 'c']`. If we can for loop over something, then 
-that something is **iterable**. For example, strings and lists are 
+For looping over something is one way to **iterate** over it. Some other
+things also iterate, for example, `' '.join(['a', 'b', 'c'])` iterates
+over the list `['a', 'b', 'c']`. If we can for loop over something, then
+that something is **iterable**. For example, strings and lists are
 iterable, but integers and floats are not.
 
 ```py
 >>> for thing in 123:
 ...     print(thing)
-... 
+...
 Traceback (most recent call last):
   File "<stdin>", line 1, in <module>
 TypeError: 'int' object is not iterable
->>> 
+>>>
 ```
 
 ## Iterators
@@ -42,36 +42,36 @@ Lists and strings don't change when we iterate over them.
 >>> word = 'hi'
 >>> for character in word:
 ...     print(character)
-... 
+...
 h
 i
 >>> word
 'hello'
->>> 
+>>>
 ```
 
-We can also iterate over [files](../basics/files.md), but they change 
-when we do that. They remember their position, so if we iterate over 
+We can also iterate over [files](../basics/files.md), but they change
+when we do that. They remember their position, so if we iterate over
 them twice we get the content once only.
 
 ```py
 >>> with open('test.txt', 'w') as f:
 ...     print("one", file=f)
 ...     print("two", file=f)
-... 
+...
 >>> a = []
 >>> b = []
 >>> with open('test.txt', 'r') as f:
 ...     for line in f:
 ...         a.append(line)
 ...     for line in f:
 ...         b.append(line)
-... 
+...
 >>> a
 ['one\n', 'two\n']
 >>> b
 []
->>> 
+>>>
 ```
 
 We have also used [enumerate](../basics/trey-hunner-zip-and-enumerate.md)
@@ -81,21 +81,21 @@ before, and it actually remembers its position also:
 >>> e = enumerate('hello')
 >>> for pair in e:
 ...     print(pair)
-... 
+...
 (0, 'h')
 (1, 'e')
 (2, 'l')
 (3, 'l')
 (4, 'o')
 >>> for pair in e:
 ...     print(pair)
-... 
->>> 
+...
+>>>
 ```
 
-Iterators are **iterables that remember their position**. For example, 
-`open('test.txt', 'r')` and `enumerate('hello')` are iterators. 
-Iterators can only be used once, so we need to create a new iterator if 
+Iterators are **iterables that remember their position**. For example,
+`open('test.txt', 'r')` and `enumerate('hello')` are iterators.
+Iterators can only be used once, so we need to create a new iterator if
 we want to do another for loop.
 
 Here's a picture that hopefully explains this better:
@@ -104,8 +104,8 @@ Here's a picture that hopefully explains this better:
 
 ## Iterating manually
 
-Iterators have a magic method called `__next__`, and there's a built-in 
-function called `next()` for calling that. Calling `next()` on an 
+Iterators have a magic method called `__next__`, and there's a built-in
+function called `next()` for calling that. Calling `next()` on an
 iterator gets the next value and moves it forward. Like this:
 
 ```py
@@ -116,7 +116,7 @@ iterator gets the next value and moves it forward. Like this:
 (1, 'b')
 >>> e.__next__()
 (2, 'c')
->>> 
+>>>
 ```
 
 There's also a built-in `next()` function that does the same thing:
@@ -129,26 +129,26 @@ There's also a built-in `next()` function that does the same thing:
 (1, 'b')
 >>> next(e)
 (2, 'c')
->>> 
+>>>
 ```
 
-Here `e` remembers its position, and every time we call `next(e)` it 
-gives us the next element and moves forward. When it has no more values 
+Here `e` remembers its position, and every time we call `next(e)` it
+gives us the next element and moves forward. When it has no more values
 to give us, calling `next(e)` raises a StopIteration:
 
 ```py
 >>> next(e)
 Traceback (most recent call last):
   File "<stdin>", line 1, in <module>
 StopIteration
->>> 
+>>>
 ```
 
-There is usually not a good way to check if the iterator is at the end, 
-and it's best to just try to get an value from it and catch 
+There is usually not a good way to check if the iterator is at the end,
+and it's best to just try to get an value from it and catch
 StopIteration.
 
-This is actually what for looping over an iterator does. For example, 
+This is actually what for looping over an iterator does. For example,
 this code...
 
 ```py
@@ -170,24 +170,24 @@ while True:
     print(pair)
 ```
 
-The for loop version is much simpler to write and I wrote the while loop 
+The for loop version is much simpler to write and I wrote the while loop
 version just to explain what the for loop does.
 
 ## Converting to iterators
 
-Now we know what iterating over an iterator does. But how about 
-iterating over a list or a string? They are not iterators, so we can't 
+Now we know what iterating over an iterator does. But how about
+iterating over a list or a string? They are not iterators, so we can't
 call `next()` on them:
 
 ```py
 >>> next('abc')
 Traceback (most recent call last):
   File "<stdin>", line 1, in <module>
 TypeError: 'str' object is not an iterator
->>> 
+>>>
 ```
 
-There's a built-in function called `iter()` that converts anything 
+There's a built-in function called `iter()` that converts anything
 iterable to an iterator.
 
 ```py
@@ -204,7 +204,7 @@ iterable to an iterator.
 Traceback (most recent call last):
   File "<stdin>", line 1, in <module>
 StopIteration
->>> 
+>>>
 ```
 
 Calling `iter()` on anything non-iterable gives us an error.
@@ -214,17 +214,17 @@ Calling `iter()` on anything non-iterable gives us an error.
 Traceback (most recent call last):
   File "<stdin>", line 1, in <module>
 TypeError: 'int' object is not iterable
->>> 
+>>>
 ```
 
-If we try to convert an iterator to an iterator using `iter()` we just 
+If we try to convert an iterator to an iterator using `iter()` we just
 get back the same iterator.
 
 ```py
 >>> e = enumerate('abc')
 >>> iter(e) is e
 True
->>> 
+>>>
 ```
 
 So code like this...
@@ -248,8 +248,8 @@ while True:
 
 ## Custom iterables
 
-Implementing a custom iterator is easy. All we need to do is to define a 
-`__next__` method that gets the next element, and an `__iter__` method 
+Implementing a custom iterator is easy. All we need to do is to define a
+`__next__` method that gets the next element, and an `__iter__` method
 that returns the iterator itself. For example, here's an iterator that
 behaves like `iter([1, 2, 3])`:
 
 
@@ -215,7 +215,7 @@ follow one of these styles:
 ## Other magic methods
 
 There are many more magic methods, and I don't see any reason to list
-them all here. [The official 
+them all here. [The official
 documentation](https://docs.python.org/3/reference/datamodel.html) has
 more information about magic methods if you need it. We'll go through
 using the most important magic methods in the rest of this tutorial, so
 
@@ -117,7 +117,7 @@ isn't exactly like mine but it works just fine it's ok, and you can
 2. If we have a look at `help(str.upper)` it looks like this:
 
         S.upper() -> str
-        
+
         Return a copy of S converted to uppercase.
 
     We have two problems. First of all, the broken code uses
@@ -324,11 +324,11 @@ isn't exactly like mine but it works just fine it's ok, and you can
     ```py
     >>> for pair in zip('ABC', 'abc'):
     ...     print(pair)
-    ... 
+    ...
     ('A', 'a')
     ('B', 'b')
     ('C', 'c')
-    >>> 
+    >>>
     ```
 
     Great, it works just like it works with lists. Now let's create
@@ -389,7 +389,7 @@ isn't exactly like mine but it works just fine it's ok, and you can
     def ask_name():
         name = input("Enter your name: ")
         return name
-    
+
     print("Your name is", ask_name())
     ```
 
@@ -403,7 +403,7 @@ isn't exactly like mine but it works just fine it's ok, and you can
     ```py
     def get_greeting():
         return "Hello World!"
-    
+
     print(get_greeting())
     ```
 
@@ -414,7 +414,7 @@ isn't exactly like mine but it works just fine it's ok, and you can
     ```py
     >>> greet("World")
     Hello World
-    >>> 
+    >>>
     ```
 
     But it also returns None because we don't tell it to return anything else.
@@ -424,7 +424,7 @@ isn't exactly like mine but it works just fine it's ok, and you can
     Hello World
     >>> print(return_value)
     None
-    >>> 
+    >>>
     ```
 
     This code from the exercise does the same thing as the code above
@@ -434,7 +434,7 @@ isn't exactly like mine but it works just fine it's ok, and you can
     >>> print(greet("World"))
     Hello World
     None
-    >>> 
+    >>>
     ```
 
 ***