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Python Exercise: Unpack a tuple in several variables

Python tuple: Exercise-4 with Solution

Write a Python program to unpack a tuple in several variables.

Sample Solution:-

Python Code:

#create a tuple
tuplex = 4, 8, 3 
print(tuplex)
n1, n2, n3 = tuplex
#unpack a tuple in variables
print(n1 + n2 + n3) 
#the number of variables must be equal to the number of items of the tuple
n1, n2, n3, n4= tuplex

Sample Output: 

(4, 8, 3)                                                                                                     
15                                                                                                            
Traceback (most recent call last):                                                                            
  File "32fd05c0-3096-11e7-a6a0-0b37d4d0b2c6.py", line 8, in <module>                                         
    n1, n2, n3, n4 = tuplex                                                                                   
ValueError: not enough values to unpack (expected 4, got 3)

Flowchart:

Flowchart: Unpack a tuple in several variables

Python Code Editor:

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Previous: Write a Python program to create a tuple with numbers and print one item.
Next: Write a Python program to add an item in a tuple.

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Python: Tips of the Day

Returns the maximum value of a list, after mapping each element to a value using the provided function

Example:

def tips_max(lst, fn):
  return max(map(fn, lst))

print(tips_max([{ 'n': 4 }, { 'n': 2 }, { 'n': 8 }, { 'n': 6 }], lambda v : v['n']))

Output:

8