Unicode Identifiers¶

Unicode Support¶

1. Python 3 Allows¶

Python 3+ supports Unicode in identifiers:

# Korean
이름 = "John"
나이 = 30

# Chinese  
姓名 = "Alice"
年齢 = 25

# Greek
π = 3.14159
α = 0.05

2. Valid Starters¶

Unicode letter
Underscore

# Valid
名前 = "name"
_프라이빗 = "private"  
Übersetzer = "translator"

Best Practices¶

1. Use ASCII¶

For international code:

# Recommended
name = "이름"
age = 30

# Not recommended for shared code
이름 = "value"
나이 = 30

2. Local Projects¶

OK for local-language projects:

# Korean education app
학생_이름 = "김철수"
학생_나이 = 15
학년 = 3

3. Math Variables¶

# Greek letters OK
α = 0.05  # alpha
β = 0.8   # beta  
μ = 100   # mu
σ = 15    # sigma

Why Avoid¶

1. Readability¶

Hard for non-native speakers:

# Hard to read
def 计算总和(数据):
    总和 = 0
    for 项目 in 数据:
        总和 += 项目
    return 总和

# Better
def calculate_sum(data):
    total = 0
    for item in data:
        total += item
    return total

2. Encoding Issues¶

May cause problems with: - Text editors - Version control - CI/CD pipelines

3. Typing¶

Difficult to type special characters