Add beer pouring capabilities to sandbox

Change-Id: I36ee4e8b4235a2d6f1b75deb7105cc3ccd9a9f6f

beers.py

@@ -0,0 +1,40 @@
+# Licensed under the Apache License, Version 2.0 (the "License"); you may
+# not use this file except in compliance with the License. You may obtain
+# a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+# License for the specific language governing permissions and limitations
+# under the License.
+
+import argparse
+import time
+
+parser = argparse.ArgumentParser(description='Pour some beers.')
+
+parser.add_argument('beers', metavar='beers_to_pour', type=int,
+                    help='how many beers to pour.')
+
+
+def pour(beers):
+    return u"🍺" * beers
+
+
+def main():
+    args = parser.parse_args()
+
+    print("\nPouring beers...\n")
+
+    for beer in pour(args.beers):
+        time.sleep(.7)
+        print(beer, end="", flush=True)
+
+    time.sleep(.7)
+    print("\n\nCheers! 🍻")
+
+
+if __name__ == "__main__":
+    main()

tests/test_beers.py

@@ -0,0 +1,5 @@
+import beers
+
+
+def test_beers():
+    assert beers.pour(5) == u"🍺🍺🍺🍺🍺"