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Python: Check if a given function returns True for at least one element in the list

Python List: Exercise - 246 with Solution

Write a Python program to check if a given function returns True for at least one element in the list.

Use any() in combination with map() to check if fn returns True for any element in the list.

Sample Solution:

Python Code:

def some(lst, fn = lambda x: x):
  return any(map(fn, lst))
print(some([0, 1, 2, 0], lambda x: x >= 2 ))
print(some([5, 10, 20, 10], lambda x: x < 2 ))

Sample Output:

True
False

Flowchart:

Flowchart: Check if a given function returns True for at least one element in the list.

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Python Code Editor:

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Previous: Write a Python program to that takes any number of iterable objects or objects with a length property and returns the longest one.
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Python: Tips of the Day

Decapitalizes the first letter of a string:

Example:

def tips_decapitalize(s, upper_rest=False):
  return s[:1].lower() + (s[1:].upper() if upper_rest else s[1:])
print(tips_decapitalize('PythonTips'))
print(tips_decapitalize('PythonTips', True)) 

Output:

pythonTips
pYTHONTIPS

 





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