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Python: Find all keys in the provided dictionary that have the given value

Python dictionary: Exercise-75 with Solution

Write a Python program to find all keys in the provided dictionary that have the given value.

Sample Solution:

Python Code:

def test(dict, val):
  return list(key for key, value in dict.items() if value == val)

students = {
  'Theodore': 19,
  'Roxanne': 20,
  'Mathew': 21,
  'Betty': 20
}

print("\nOriginal dictionary elements:")
print(students)
print("\nFind all keys in the said dictionary that have the specified value:")
print(test(students, 20))

Sample Output:

Original dictionary elements:
{'Theodore': 19, 'Roxanne': 20, 'Mathew': 21, 'Betty': 20}

Find all keys in the said dictionary that have the specified value:
['Roxanne', 'Betty']

Flowchart:

Flowchart: Find all keys in the provided dictionary that have the given value.

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Previous: Write a Python program to create a dictionary with the same keys as the given dictionary and values generated by running the given function for each value.
Next: Write a Python program to combine two lists into a dictionary, where the elements of the first one serve as the keys and the elements of the second one serve as the values. The values of the first list need to be unique and hashable.

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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