Python: Check if a given function is a generator or not
Python module: Exercise-3 with Solution
Write a Python program to check if a given function is a generator or not. Use types.GeneratorType()
import types def a(x): yield x def b(x): return x def add(x, y): return x + y print(isinstance(a(456), types.GeneratorType)) print(isinstance(b(823), types.GeneratorType)) print(isinstance(add(8,2), types.GeneratorType))
True False False
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For-else construct useful when searched for something and find it:
# For example assume that I need to search through a list and process each item until a flag item is found and # then stop processing. If the flag item is missing then an exception needs to be raised. for i in mylist: if i == theflag: break process(i) else: raise ValueError("List argument missing terminal flag.")
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