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Author: sichkar-valentyn

partial_function.py

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+# Explaining partial function and how to use it
+# Importing partial from functools
+from functools import partial
+
+# Assigning to x integer number in binary notation
+x = int('1101', base=2)
+print(x)  # Showing result in decimal notation
+
+# Creating function int_2 with partial
+int_2 = partial(int, base=2)
+x = int_2('1101')
+print(x)
+
+
+# Another examples how to sort lists easier with partial
+x = [
+    ('Guido', 'van', 'Rossum'),
+    ('Haskell', 'Curry'),
+    ('John', 'Backus')
+]
+
+y = ['abc', 'cba', 'abb']
+
+import operator as op
+
+# Creating function to sort lists by last element
+sort_by_last = partial(list.sort, key=op.itemgetter(-1))
+
+print(x)  # Showing current list
+sort_by_last(x)
+print(x)  # Showing sorted list
+
+sort_by_last(y)
+print(y)