Python: Create a given flat list of all the keys in a flat dictionary
Python List: Exercise - 258 with Solution
Write a Python program to create a flat list of all the keys in a flat dictionary.
- Use dict.keys() to return the keys in the given dictionary.
- Return a list() of the previous result.
Sample Solution:
Python Code:
def keys_only(students):
return list(students.keys())
students = {
'Laura': 10,
'Spencer': 11,
'Bridget': 9,
'Howard ': 10,
}
print("Original directory elements:")
print(students)
print("\nFlat list of all the keys of the said dictionary:")
print(keys_only(students))
Sample Output:
Original directory elements: {'Laura': 10, 'Spencer': 11, 'Bridget': 9, 'Howard ': 10} Flat list of all the keys of the said dictionary: ['Laura', 'Spencer', 'Bridget', 'Howard ']
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Next: Write a Python program to check if a given function returns True for at least one element in the list.
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Python: Tips of the Day
Given a predicate function, fn, and a prop string, this curried function will then take an object to inspect by calling the property and passing it to the predicate:
Example:
def tips_check_prop(fn, prop): return lambda obj: fn(obj[prop]) check_age = tips_check_prop(lambda x: x >= 25, 'age') user = {'name': 'Owen', 'age': 25} print(check_age(user))
Output:
True
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