🎉 Hello world

Elementary/correct-sentence.py

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+def correct_sentence(text: str) -> str:
+    """
+        returns a corrected sentence which starts with a capital letter
+        and ends with a dot.
+    """
+    return "{}{}.".format(text[0].upper(), text[1:].strip('.'))
+
+
+if __name__ == '__main__':
+    print("Example:")
+    print(correct_sentence("greetings, friends"))
+    # These "asserts" are used for self-checking and not for an auto-testing
+    assert correct_sentence("greetings, friends") == "Greetings, friends."
+    assert correct_sentence("Greetings, friends") == "Greetings, friends."
+    assert correct_sentence("Greetings, friends.") == "Greetings, friends."
+    assert correct_sentence("hi") == "Hi."
+    assert correct_sentence("welcome to New York") == "Welcome to New York."
+    print("Coding complete? Click 'Check' to earn cool rewards!")

Elementary/say-history.py

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+# 1. on CheckiO your solution should be a function
+# 2. the function should return the right answer, not print it.
+
+
+def say_hi(name: str, age: int) -> str:
+    """
+        Hi!
+    """
+    return "Hi. My name is {} and I'm {} years old".format(name, age)
+
+
+if __name__ == '__main__':
+    # These "asserts" using only for self-checking and not necessary for auto-testing
+    assert say_hi("Alex", 32) == "Hi. My name is Alex and I'm 32 years old", "First"
+    assert say_hi("Frank", 68) == "Hi. My name is Frank and I'm 68 years old", "Second"
+    print('Done. Time to Check.')