remove solutions
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92
solutions.py
92
solutions.py
@@ -1,92 +0,0 @@
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import re
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import pandas as pd
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def list_comprehension(l1: list):
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"""For input list l1 of integers, return list of elements
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whose square is less than sum of all elements"""
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sum_l1 = sum(l1)
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return [elem for elem in l1 if elem * elem < sum_l1]
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def nested_list_comprehension(l1: list, l2: list):
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"""For input lists l1, l2, return a list of elements common
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to both l1 and l2."""
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# result = []
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# for e1 in l1:
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# for e2 in l2:
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# if e1 == e2:
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# result.append(e1)
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result = [e1 for e2 in l2 for e1 in l1 if e1 == e2]
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return result
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def dict_comprehension(l1: list):
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"""For input list l1 of integers, return a dictionary with
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keys from l1, and values are squares of keys"""
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result = {e: e * e for e in l1}
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return result
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def generator(l1: list, l2: list):
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"""For input lists l1 and l2 of integers, return a generator
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that gives all pairings (e1, e2) of element e1 from l1 and
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element e2 of l2."""
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for e1 in l1:
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for e2 in l2:
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yield (e1, e2)
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if __name__ == "__main__":
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l1 = [1, 2, 3, 4]
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l2 = [2, 4, 6, 8]
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print("\n-------------------\n")
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print("Inputs:\n")
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print(f"l1: {l1}")
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print(f"l2: {l2}")
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print("\n-------------------\n")
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print("list_comprehension:\n")
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print(f"Desired output: [2, 4]")
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print(f"Output : {list_comprehension(l2)}")
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print("\n-------------------\n")
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print("nested_list_comprehension:\n")
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print(f"Desired output: [2, 4]")
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print(f"Output : {nested_list_comprehension(l1, l2)}")
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print("\n-------------------\n")
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print("dict_comprehension:\n")
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print("Desired output: {1: 1, 2: 4, 3: 9, 4: 16}")
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print(f"Output: : {dict_comprehension(l1)}")
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print("\n-------------------\n")
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print("generator:\n")
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print("Desired output:")
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print(" (1, 2)")
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print(" (1, 4)")
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print(" (1, 6)")
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print(" (1, 8)")
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print(" (2, 2)")
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print(" (2, 4)")
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print(" (2, 6)")
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print(" (2, 8)")
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print(" (3, 2)")
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print(" (3, 4)")
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print(" (3, 6)")
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print(" (3, 8)")
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print(" (4, 2)")
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print(" (4, 4)")
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print(" (4, 6)")
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print(" (4, 8)")
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print("Output: :")
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for pair in generator(l1, l2):
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print(f" {pair}")
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