Analyze and run one of the example programs from this week's Programming Examples folder. Think about this program and your experience analyzing and running it. 

answer about the following: 

- what it does 

- how it works 

- the data structure(s) it uses 

- Other insights you discovered

 

Transcribed Image Text:

File: arrays.py Author: Ken Lambert, copyright 2015, 2020 Used by permission. An Array is like a list, but the client can use only [], len, iter, and str. To instantiate, use <variable> = Array (<capacity>, <optional fill value>) The fill value is None by default. class Array (object): """Represents an array." # Constructor def __init__(self, capacity, fillValue = None): """Capacity is the static size of the array. fillValue is placed at each position.""" self.items list() for count in range(capacity): # Accessor methods 11111 self.items.append(fillValue) def_iter_(self): """Supports iteration over a view of an array. return iter(self.items) def_getitem_(self, index): """Subscript operator for access at index.""" return self.items [index] def _len_(self): ""> The capacity of the array. return len(self.items) nang 111111 def _str_(self): ""> The string representation of the array. return str(self.items) 111111 # Mutator methods def _setitem_(self, index, newItem): ""Subscript operator for replacement at index.""" self.items [index] = newItem File: arrays.py Author: Ken Lambert, copyright 2015, 2020 Used by permission. An Array is like a list, but the client can use only [], len, iter, and str. To instantiate, use <variable> = Array (<capacity>, <optional fill value>) The fill value is None by default. class Array (object): """Represents an array." # Constructor def __init__(self, capacity, fillValue = None): """Capacity is the static size of the array. fillValue is placed at each position.""" self.items list() for count in range(capacity): # Accessor methods 11111 self.items.append(fillValue) def_iter_(self): """Supports iteration over a view of an array. return iter(self.items) def_getitem_(self, index): """Subscript operator for access at index.""" return self.items [index] def _len_(self): ""> The capacity of the array. return len(self.items) nang 111111 def _str_(self): ""> The string representation of the array. return str(self.items) 111111 # Mutator methods def _setitem_(self, index, newItem): ""Subscript operator for replacement at index.""" self.items [index] = newItem

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Here are detailed answers to your questions about the Array class 1 What it does The Array class is designed to represent an arraylike data structure in Python It provides methods for creating an arra... View the full answer