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1 file changed, 7 insertions
ispythonic.md
@@ -137,6 +137,13 @@ from collections import defaultdict | |||
137 | 137 | counts = defaultdict(int) | |
138 | 138 | for word in words: | |
139 | 139 | counts[word] += 1 | |
140 | + | ||
141 | + | # OR | |
142 | + | ||
143 | + | counts = {} | |
144 | + | for word in words:: | |
145 | + | counts[word] = dcounts.get(word, 0) + 1 | |
146 | + | ||
140 | 147 | ``` | |
141 | 148 | ||
142 | 149 |
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1 file changed, 9 insertions, 9 deletions
is-pythonic.md přejmenováno na ispythonic.md
@@ -2,7 +2,7 @@ Pythonic" code refers to code that is written in a way that is idiomatic to Pyth | |||
2 | 2 | taking advantage of its features and conventions to produce clear, concise, and readable code. | |
3 | 3 | Here are some examples showcasing Pythonic principles: | |
4 | 4 | ||
5 | - | *** 1. List Comprehensions | |
5 | + | ### 1. List Comprehensions | |
6 | 6 | ||
7 | 7 | Not Pythonic: | |
8 | 8 | ||
@@ -17,7 +17,7 @@ Pythonic: | |||
17 | 17 | squares = [x**2 for x in range(10)] | |
18 | 18 | ``` | |
19 | 19 | ||
20 | - | === 2. Using enumerate() | |
20 | + | ### 2. Using enumerate() | |
21 | 21 | ||
22 | 22 | Not Pythonic: | |
23 | 23 | ||
@@ -34,7 +34,7 @@ for index, value in enumerate(my_list): | |||
34 | 34 | print(index, value) | |
35 | 35 | ``` | |
36 | 36 | ||
37 | - | === 3. Using zip() | |
37 | + | ### 3. Using zip() | |
38 | 38 | ||
39 | 39 | Not Pythonic: | |
40 | 40 | ||
@@ -50,7 +50,7 @@ Pythonic: | |||
50 | 50 | combined = list(zip(names, ages)) | |
51 | 51 | ``` | |
52 | 52 | ||
53 | - | === 4. Using with for File Operations | |
53 | + | ### 4. Using with for File Operations | |
54 | 54 | ||
55 | 55 | Not Pythonic: | |
56 | 56 | ||
@@ -66,7 +66,7 @@ with open('data.txt', 'r') as file: | |||
66 | 66 | data = file.read() | |
67 | 67 | ``` | |
68 | 68 | ||
69 | - | === 5. Using Generators for Efficient Iteration | |
69 | + | ### 5. Using Generators for Efficient Iteration | |
70 | 70 | ||
71 | 71 | Not Pythonic: | |
72 | 72 | ||
@@ -85,7 +85,7 @@ def get_even_numbers(n): | |||
85 | 85 | return (i for i in range(n) if i % 2 == 0) | |
86 | 86 | ``` | |
87 | 87 | ||
88 | - | === 6. Using any() and all() | |
88 | + | ### 6. Using any() and all() | |
89 | 89 | ||
90 | 90 | Not Pythonic: | |
91 | 91 | ||
@@ -100,7 +100,7 @@ Pythonic: | |||
100 | 100 | has_values = bool(my_list) | |
101 | 101 | ``` | |
102 | 102 | ||
103 | - | === 7. Conditional Expressions (Ternary Operator) | |
103 | + | ### 7. Conditional Expressions (Ternary Operator) | |
104 | 104 | ||
105 | 105 | Not Pythonic: | |
106 | 106 | ||
@@ -116,7 +116,7 @@ Pythonic: | |||
116 | 116 | result = 'Yes' if condition else 'No' | |
117 | 117 | ``` | |
118 | 118 | ||
119 | - | === 8. Leveraging Default Dictionary | |
119 | + | ### 8. Leveraging Default Dictionary | |
120 | 120 | ||
121 | 121 | Not Pythonic: | |
122 | 122 | ||
@@ -140,7 +140,7 @@ for word in words: | |||
140 | 140 | ``` | |
141 | 141 | ||
142 | 142 | ||
143 | - | === Conclusion | |
143 | + | ### Conclusion | |
144 | 144 | ||
145 | 145 | Pythonic code emphasizes readability and efficiency, often leveraging built-in functions and | |
146 | 146 | language features to reduce boilerplate code. |
kristofer revidoval tento gist . Přejít na revizi
1 file changed, 1 insertion, 1 deletion
is-pythonic.md
@@ -2,7 +2,7 @@ Pythonic" code refers to code that is written in a way that is idiomatic to Pyth | |||
2 | 2 | taking advantage of its features and conventions to produce clear, concise, and readable code. | |
3 | 3 | Here are some examples showcasing Pythonic principles: | |
4 | 4 | ||
5 | - | === 1. List Comprehensions | |
5 | + | *** 1. List Comprehensions | |
6 | 6 | ||
7 | 7 | Not Pythonic: | |
8 | 8 |
kristofer revidoval tento gist . Přejít na revizi
1 file changed, 148 insertions
is-pythonic.md(vytvořil soubor)
@@ -0,0 +1,148 @@ | |||
1 | + | Pythonic" code refers to code that is written in a way that is idiomatic to Python, | |
2 | + | taking advantage of its features and conventions to produce clear, concise, and readable code. | |
3 | + | Here are some examples showcasing Pythonic principles: | |
4 | + | ||
5 | + | === 1. List Comprehensions | |
6 | + | ||
7 | + | Not Pythonic: | |
8 | + | ||
9 | + | ```python | |
10 | + | squares = [] | |
11 | + | for x in range(10): | |
12 | + | squares.append(x**2) | |
13 | + | ``` | |
14 | + | ||
15 | + | Pythonic: | |
16 | + | ```python | |
17 | + | squares = [x**2 for x in range(10)] | |
18 | + | ``` | |
19 | + | ||
20 | + | === 2. Using enumerate() | |
21 | + | ||
22 | + | Not Pythonic: | |
23 | + | ||
24 | + | ```python | |
25 | + | index = 0 | |
26 | + | for value in my_list: | |
27 | + | print(index, value) | |
28 | + | index += 1 | |
29 | + | ``` | |
30 | + | Pythonic: | |
31 | + | ||
32 | + | ```python | |
33 | + | for index, value in enumerate(my_list): | |
34 | + | print(index, value) | |
35 | + | ``` | |
36 | + | ||
37 | + | === 3. Using zip() | |
38 | + | ||
39 | + | Not Pythonic: | |
40 | + | ||
41 | + | ```python | |
42 | + | names = ['Alice', 'Bob', 'Charlie'] | |
43 | + | ages = [24, 30, 22] | |
44 | + | combined = [] | |
45 | + | for i in range(len(names)): | |
46 | + | combined.append((names[i], ages[i])) | |
47 | + | ``` | |
48 | + | Pythonic: | |
49 | + | ```python | |
50 | + | combined = list(zip(names, ages)) | |
51 | + | ``` | |
52 | + | ||
53 | + | === 4. Using with for File Operations | |
54 | + | ||
55 | + | Not Pythonic: | |
56 | + | ||
57 | + | ```python | |
58 | + | file = open('data.txt', 'r') | |
59 | + | data = file.read() | |
60 | + | file.close() | |
61 | + | ``` | |
62 | + | Pythonic: | |
63 | + | ||
64 | + | ```python | |
65 | + | with open('data.txt', 'r') as file: | |
66 | + | data = file.read() | |
67 | + | ``` | |
68 | + | ||
69 | + | === 5. Using Generators for Efficient Iteration | |
70 | + | ||
71 | + | Not Pythonic: | |
72 | + | ||
73 | + | ```python | |
74 | + | def get_even_numbers(n): | |
75 | + | even_numbers = [] | |
76 | + | for i in range(n): | |
77 | + | if i % 2 == 0: | |
78 | + | even_numbers.append(i) | |
79 | + | return even_numbers | |
80 | + | ``` | |
81 | + | Pythonic: | |
82 | + | ||
83 | + | ```python | |
84 | + | def get_even_numbers(n): | |
85 | + | return (i for i in range(n) if i % 2 == 0) | |
86 | + | ``` | |
87 | + | ||
88 | + | === 6. Using any() and all() | |
89 | + | ||
90 | + | Not Pythonic: | |
91 | + | ||
92 | + | ```python | |
93 | + | if len(my_list) > 0: | |
94 | + | has_values = True | |
95 | + | else: | |
96 | + | has_values = False | |
97 | + | ``` | |
98 | + | Pythonic: | |
99 | + | ```python | |
100 | + | has_values = bool(my_list) | |
101 | + | ``` | |
102 | + | ||
103 | + | === 7. Conditional Expressions (Ternary Operator) | |
104 | + | ||
105 | + | Not Pythonic: | |
106 | + | ||
107 | + | ```python | |
108 | + | if condition: | |
109 | + | result = 'Yes' | |
110 | + | else: | |
111 | + | result = 'No' | |
112 | + | ``` | |
113 | + | ||
114 | + | Pythonic: | |
115 | + | ```python | |
116 | + | result = 'Yes' if condition else 'No' | |
117 | + | ``` | |
118 | + | ||
119 | + | === 8. Leveraging Default Dictionary | |
120 | + | ||
121 | + | Not Pythonic: | |
122 | + | ||
123 | + | ```python | |
124 | + | counts = {} | |
125 | + | for word in words: | |
126 | + | if word in counts: | |
127 | + | counts[word] += 1 | |
128 | + | else: | |
129 | + | counts[word] = 1 | |
130 | + | ``` | |
131 | + | ||
132 | + | Pythonic: | |
133 | + | ||
134 | + | ```python | |
135 | + | from collections import defaultdict | |
136 | + | ||
137 | + | counts = defaultdict(int) | |
138 | + | for word in words: | |
139 | + | counts[word] += 1 | |
140 | + | ``` | |
141 | + | ||
142 | + | ||
143 | + | === Conclusion | |
144 | + | ||
145 | + | Pythonic code emphasizes readability and efficiency, often leveraging built-in functions and | |
146 | + | language features to reduce boilerplate code. | |
147 | + | By adopting these idioms, you can write code that is not only functional but also | |
148 | + | elegant and easy to understand. |