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Python: Add a key to a dictionary

Python dictionary: Exercise-2 with Solution

Write a Python program to add a key to a dictionary.

Sample Solution:-

Python Code:

d = {0:10, 1:20}
print(d)
d.update({2:30})
print(d)

Sample Output:

{0: 10, 1: 20}                                                                                                
{0: 10, 1: 20, 2: 30}

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Next: Write a Python program to concatenate following dictionaries to create a new 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