Python Identifiers

Rules that apply when naming the variable name, function, classes object

Rules / Properties of variable name

1. Not allow to use keywords

2. Case-sensitives

Case sensitive means it treats uppercase and lowercase letters as completely different characters.

case-sensitives.py

andy = "andy1"
Andy = "andy2"
print(andy)
print(Andy)

Results:

andy1
andy2

3. Content Restriction

This means that variable name only allow named with:

• English
• Number after String
• with Underscore (_)