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ch03: update from book draft

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This commit is contained in:
Luciano Ramalho 2020-02-18 23:58:03 -03:00
parent aa868e8f75
commit 20dd93c11b
6 changed files with 16 additions and 16 deletions
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8
03-dict-set/dialcodes.py
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@ -1,4 +1,4 @@
# BEGIN DIALCODES # tag::DIALCODES[]
# dial codes of the top 10 most populous countries # dial codes of the top 10 most populous countries
DIAL_CODES = [ DIAL_CODES = [
(86, 'China'), (86, 'China'),
@ -20,11 +20,11 @@ print('d2:', d2.keys())
d3 = dict(sorted(DIAL_CODES, key=lambda x:x[1])) # <3> d3 = dict(sorted(DIAL_CODES, key=lambda x:x[1])) # <3>
print('d3:', d3.keys()) print('d3:', d3.keys())
assert d1 == d2 and d2 == d3 # <4> assert d1 == d2 and d2 == d3 # <4>
# END DIALCODES # end::DIALCODES[]
""" """
# BEGIN DIALCODES_OUTPUT # tag::DIALCODES_OUTPUT[]
d1: dict_keys([880, 1, 86, 55, 7, 234, 91, 92, 62, 81]) d1: dict_keys([880, 1, 86, 55, 7, 234, 91, 92, 62, 81])
d2: dict_keys([880, 1, 91, 86, 81, 55, 234, 7, 92, 62]) d2: dict_keys([880, 1, 91, 86, 81, 55, 234, 7, 92, 62])
d3: dict_keys([880, 81, 1, 86, 55, 7, 234, 91, 92, 62]) d3: dict_keys([880, 81, 1, 86, 55, 7, 234, 91, 92, 62])
# END DIALCODES_OUTPUT # end::DIALCODES_OUTPUT[]
""" """

4
03-dict-set/index.py
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@ -2,7 +2,7 @@
# http://www.aleax.it/Python/accu04_Relearn_Python_alex.pdf # http://www.aleax.it/Python/accu04_Relearn_Python_alex.pdf
# (slide 41) Ex: lines-by-word file index # (slide 41) Ex: lines-by-word file index
# BEGIN INDEX # tag::INDEX[]
"""Build an index mapping word -> list of occurrences""" """Build an index mapping word -> list of occurrences"""
import sys import sys
@ -22,4 +22,4 @@ with open(sys.argv[1], encoding='utf-8') as fp:
# print in alphabetical order # print in alphabetical order
for word in sorted(index, key=str.upper): for word in sorted(index, key=str.upper):
print(word, index[word]) print(word, index[word])
# END INDEX # end::INDEX[]

4
03-dict-set/index0.py
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@ -2,7 +2,7 @@
# http://www.aleax.it/Python/accu04_Relearn_Python_alex.pdf # http://www.aleax.it/Python/accu04_Relearn_Python_alex.pdf
# (slide 41) Ex: lines-by-word file index # (slide 41) Ex: lines-by-word file index
# BEGIN INDEX0 # tag::INDEX0[]
"""Build an index mapping word -> list of occurrences""" """Build an index mapping word -> list of occurrences"""
import sys import sys
@ -25,4 +25,4 @@ with open(sys.argv[1], encoding='utf-8') as fp:
# print in alphabetical order # print in alphabetical order
for word in sorted(index, key=str.upper): # <4> for word in sorted(index, key=str.upper): # <4>
print(word, index[word]) print(word, index[word])
# END INDEX0 # end::INDEX0[]

4
03-dict-set/index_default.py
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@ -2,7 +2,7 @@
# http://www.aleax.it/Python/accu04_Relearn_Python_alex.pdf # http://www.aleax.it/Python/accu04_Relearn_Python_alex.pdf
# (slide 41) Ex: lines-by-word file index # (slide 41) Ex: lines-by-word file index
# BEGIN INDEX_DEFAULT # tag::INDEX_DEFAULT[]
"""Build an index mapping word -> list of occurrences""" """Build an index mapping word -> list of occurrences"""
import sys import sys
@ -23,4 +23,4 @@ with open(sys.argv[1], encoding='utf-8') as fp:
# print in alphabetical order # print in alphabetical order
for word in sorted(index, key=str.upper): for word in sorted(index, key=str.upper):
print(word, index[word]) print(word, index[word])
# END INDEX_DEFAULT # end::INDEX_DEFAULT[]

4
03-dict-set/strkeydict.py
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@ -53,7 +53,7 @@ Tests for update using a `dict` or a sequence of pairs::
TypeError: 'int' object is not iterable TypeError: 'int' object is not iterable
""" """
# BEGIN STRKEYDICT # tag::STRKEYDICT[]
import collections import collections
@ -71,4 +71,4 @@ class StrKeyDict(collections.UserDict): # <1>
def __setitem__(self, key, item): def __setitem__(self, key, item):
self.data[str(key)] = item # <4> self.data[str(key)] = item # <4>
# END STRKEYDICT # end::STRKEYDICT[]

8
03-dict-set/strkeydict0.py
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@ -1,6 +1,6 @@
"""StrKeyDict0 converts non-string keys to `str` on lookup """StrKeyDict0 converts non-string keys to `str` on lookup
# BEGIN STRKEYDICT0_TESTS # tag::STRKEYDICT0_TESTS[]
Tests for item retrieval using `d[key]` notation:: Tests for item retrieval using `d[key]` notation::
@ -31,11 +31,11 @@ Tests for the `in` operator::
>>> 1 in d >>> 1 in d
False False
# END STRKEYDICT0_TESTS # end::STRKEYDICT0_TESTS[]
""" """
# BEGIN STRKEYDICT0 # tag::STRKEYDICT0[]
class StrKeyDict0(dict): # <1> class StrKeyDict0(dict): # <1>
def __missing__(self, key): def __missing__(self, key):
@ -52,4 +52,4 @@ class StrKeyDict0(dict): # <1>
def __contains__(self, key): def __contains__(self, key):
return key in self.keys() or str(key) in self.keys() # <6> return key in self.keys() or str(key) in self.keys() # <6>
# END STRKEYDICT0 # end::STRKEYDICT0[]