In python : Create an iterator design pattern whose instance would iterate over a generator. Here, the generator function should display infinite multiples of 7. an iterator object that will use the pattern will display the 10 values of the multiples of 7 starting from 105.(using yield and next function)
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Note: Please maintain proper code spacing (indentation), just copy the code part and paste it in your compiler/IDE directly, no modifications required.
#code
#an iterator class that iterates through a generator class CustomIterator: #constructor taking a generator as parameter def __init__(self, generator): #assigning generator to instance variable self.__gen=generator def __iter__(self): #returns the iterator return self #returns the next element from generator if exists def __next__(self): #inside try-except block, calling and returning next() in gen object try: next_val=next(self.__gen) return next_val except: #in case of any exception, raising StopIteration flag raise StopIteration #end of iterator class #a generator function that returns infinite multiples of 7 starting with #a given value (if provided, else uses 7 as start value) def multiple_7_gen(start_value=7): #if start_value is not a multiple of 7, looping and incrementing start_value #continuously until start_value is a multiple of 7 while start_value%7!=0: start_value+=1 #now looping forever while True: #yielding start_value yield start_value #incrementing start_value by 7 for the next value start_value+=7 #end of multiple_7_gen method #creating a CustomIterator object, passing a multiple_7_gen generator with start value=105 it=CustomIterator(multiple_7_gen(105)) #looping and printing first 10 multiples of 7 starting with 105 for i in range(10): print(next(it))
#output
105
112
119
126
133
140
147
154
161
168
In python : Create an iterator design pattern whose instance would iterate over a generator. Here,...
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