Add the first Python problem definition

1 files changed, 43 insertions, 0 deletions

diff --git a/python/problems/introduction/fahrenheit_to_celsius/common.py b/python/problems/introduction/fahrenheit_to_celsius/common.py
new file mode 100644
index 0000000..a13687d
--- /dev/null
+++ b/python/problems/introduction/fahrenheit_to_celsius/common.py
@@ -0,0 +1,43 @@
+# coding=utf-8
+
+id = 180
+group = 'introduction'
+number = 1
+visible = True
+
+solution = '''\
+f = float(input("Temperatura [F]: "))
+ c = 5/9 * (f – 32)
+print("Temperatura je", c, "C")
+'''
+
+from python.engine import run
+from python.util import has_token_sequence
+
+def test(code):
+    # List of inputs: (expression to eval, stdin).
+    test_in = [
+        (None, '0\n'),
+        (None, '100\n'),
+    ]
+    test_out = [
+        '-17.7',
+        '37.7',
+    ]
+
+    # List of outputs: (expression result, stdout, stderr, exception).
+    answers = run(code=code, inputs=test_in, timeout=1.0)
+    outputs = [ans[1] for ans in answers['results']]
+
+    n_correct = 0
+    for output, correct in zip(outputs, test_out):
+        if correct in output:
+            n_correct += 1
+    return n_correct, len(test_in)
+
+def hint(code):
+    if not code:
+        return [{'id': 'plan'}]
+    if not has_token_sequence(code, ['input']):
+        return [{'id': 'no_input_call'}]
+    return None