finished streams exercise

.gitignore

@@ -1,5 +1,179 @@
-# USER SPECIFIC/IDE FILES
+# Windows image file caches
+Thumbs.db
+ehthumbs.db
+
 .idea/
 
-# GENERAL PYTHON FILES
+# Folder config file
+Desktop.ini
+
+# Recycle Bin used on file shares
+$RECYCLE.BIN/
+
+# Windows Installer files
+*.cab
+*.msi
+*.msm
+*.msp
+
+# Windows shortcuts
+*.lnk
+
+# =========================
+# Operating System Files
+# =========================
+
+# OSX
+# =========================
+
+.DS_Store
+.AppleDouble
+.LSOverride
+
+# Thumbnails
+._*
+
+# Files that might appear in the root of a volume
+.DocumentRevisions-V100
+.fseventsd
+.Spotlight-V100
+.TemporaryItems
+.Trashes
+.VolumeIcon.icns
+
+# Directories potentially created on remote AFP share
+.AppleDB
+.AppleDesktop
+Network Trash Folder
+Temporary Items
+.apdisk
+
+# Byte-compiled / optimized / DLL files
 __pycache__/
+*.py[cod]
+*$py.class
+
+# C extensions
+*.so
+
+# Distribution / packaging
+.Python
+build/
+develop-eggs/
+dist/
+downloads/
+eggs/
+.eggs/
+lib/
+lib64/
+parts/
+sdist/
+var/
+wheels/
+pip-wheel-metadata/
+share/python-wheels/
+*.egg-info/
+.installed.cfg
+*.egg
+MANIFEST
+
+# PyInstaller
+#  Usually these files are written by a python script from a template
+#  before PyInstaller builds the exe, so as to inject date/other infos into it.
+*.manifest
+*.spec
+
+# Installer logs
+pip-log.txt
+pip-delete-this-directory.txt
+
+# Unit test / coverage reports
+htmlcov/
+.tox/
+.nox/
+.coverage
+.coverage.*
+.cache
+nosetests.xml
+coverage.xml
+*.cover
+*.py,cover
+.hypothesis/
+.pytest_cache/
+
+# Translations
+*.mo
+*.pot
+
+# Django stuff:
+*.log
+local_settings.py
+db.sqlite3
+db.sqlite3-journal
+
+# Flask stuff:
+instance/
+.webassets-cache
+
+# Scrapy stuff:
+.scrapy
+
+# Sphinx documentation
+docs/_build/
+
+# PyBuilder
+target/
+
+# Jupyter Notebook
+.ipynb_checkpoints
+
+# IPython
+profile_default/
+ipython_config.py
+
+# pyenv
+.python-version
+
+# pipenv
+#   According to pypa/pipenv#598, it is recommended to include Pipfile.lock in version control.
+#   However, in case of collaboration, if having platform-specific dependencies or dependencies
+#   having no cross-platform support, pipenv may install dependencies that don't work, or not
+#   install all needed dependencies.
+#Pipfile.lock
+
+# PEP 582; used by e.g. github.com/David-OConnor/pyflow
+__pypackages__/
+
+# Celery stuff
+celerybeat-schedule
+celerybeat.pid
+
+# SageMath parsed files
+*.sage.py
+
+# Environments
+.env
+.venv
+env/
+venv/
+ENV/
+env.bak/
+venv.bak/
+
+# Spyder project settings
+.spyderproject
+.spyproject
+
+# Rope project settings
+.ropeproject
+
+# mkdocs documentation
+/site
+
+# mypy
+.mypy_cache/
+.dmypy.json
+dmypy.json
+
+# Pyre type checker
+.pyre/

stream_exercise.py

@@ -1,3 +1,4 @@
+import io
 
 
 class StreamProcessor(object):
@@ -11,9 +12,15 @@ class StreamProcessor(object):
               my_stream_processor = MyStreamProcessor(f)
 
         2. You call a `process` method of my_stream_processor.
-
-          This method:
-
+    """
+
+    def __init__(self, stream):
+        self._stream = stream
+
+    def process(self):
+        """
+        This method performs the following:
+
             1. Reads two digits at a time from the beginning of the stream
             2. Converts the two digits into a number, and adds that number
                to a running total.
@@ -29,8 +36,8 @@ class StreamProcessor(object):
                sum has not yet reached 200, then the method will stop and
                return 10.
 
-    For example, given a stream yielding "234761640930110349378289194", the
-    process method will:
+        For example, given a stream yielding "234761640930110349378289194", the
+        process method will:
 
             1. Read two digits at a time from the stream: "23", "47", "61", etc.
             2. Convert these digits into a number: 23, 47, 61, etc., and  make a
@@ -39,29 +46,29 @@ class StreamProcessor(object):
             3. For this particular stream, the running total will exceed 200 after
                5 such additions: the `process` method should return 5.
 
-    You can see the `tests.py` file for more examples of expected outcomes.
-    """
+        You can see the `tests.py` file for more examples of expected outcomes.
 
-    def __init__(self, stream):
-        self._stream = stream
-
-    def process(self):
-        """
-        TODO: Implement the `process` method, as described above.
-
         :return: int
         """
 
         count = 0  # How many two-digit numbers the `process` method has added
-                   # together.
+        # together.
         total = 0  # The running total of sums.
 
-        # TODO: WRITE CODE HERE:
+        while total < 200 and count < 10:
 
-        # Just some example syntax, you can read two digits from the head of the
-        # stream using the following code:
-        #
-        # digits = self._stream.read(2)
+            digits = self._stream.read(2)
+            if len(digits) < 2:
+                break
+            total += int(digits)
 
+            count += 1
 
         return count
+
+
+if __name__ == '__main__':
+    f = io.StringIO("234761640930110349378289194")
+    my_stream_processor = StreamProcessor(f)
+    result = my_stream_processor.process()
+    print(f"this is what was returned: {result}")