Types of variables
examples/types/variables.py
x :int = 0 x = 2 print(x) x = "hello" print(x)
python variables.py
2 hello
mypy variables.py
examples/types/variables.mypy
variables.py:7: error: Incompatible types in assignment (expression has type "str", variable has type "int") Found 1 error in 1 file (checked 1 source file)