Python · Types and built-ins

int() / float() / str()

Converts between basic types. Conversion fails with ValueError when the text is invalid.

pythonRunnable example python course

Syntax

int("42")

Example

Open in the lab

print(int("42") + 1)
print(float("3.5") * 2)
print(str(99) + "!")

Reference pages are the quick answer. The course explains the why, shows the full example and ends with a challenge.