Python: Split an iterable and generate iterables specified number of times
Python Itertools: Exercise-9 with Solution
Write a Python program to split an iterable and generate iterables a specified number of times.
Sample Solution:
Python Code:
import itertools as it
def tee_data(iter, n):
return it.tee(iter, n)
#List
result = tee_data(['A','B','C','D'], 5)
print("Generate iterables specified number of times:")
for i in result:
print(list(i))
#String
result = tee_data("Python itertools", 4)
print("\nGenerate iterables specified number of times:")
for i in result:
print(list(i))
Sample Output:
Generate iterables specified number of times: ['A', 'B', 'C', 'D'] ['A', 'B', 'C', 'D'] ['A', 'B', 'C', 'D'] ['A', 'B', 'C', 'D'] ['A', 'B', 'C', 'D'] Generate iterables specified number of times: ['P', 'y', 't', 'h', 'o', 'n', ' ', 'i', 't', 'e', 'r', 't', 'o', 'o', 'l', 's'] ['P', 'y', 't', 'h', 'o', 'n', ' ', 'i', 't', 'e', 'r', 't', 'o', 'o', 'l', 's'] ['P', 'y', 't', 'h', 'o', 'n', ' ', 'i', 't', 'e', 'r', 't', 'o', 'o', 'l', 's'] ['P', 'y', 't', 'h', 'o', 'n', ' ', 'i', 't', 'e', 'r', 't', 'o', 'o', 'l', 's']
Python Code Editor:
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Previous: Write a Python program to create an iterator that returns consecutive keys and groups from an iterable.
Next: Write a Python program to create an iterator to get specified number of permutations of elements.
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Python: Tips of the Day
Inverts a dictionary with non-unique hashable values:
Example:
def tips_collect_dictionary(obj): inv_obj = {} for key, value in obj.items(): inv_obj.setdefault(value, list()).append(key) return inv_obj ages = { "Owen": 25, "Jhon": 25, "Pepe": 15, } print(tips_collect_dictionary(ages))
Output:
{25: ['Owen', 'Jhon'], 15: ['Pepe']}
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