Variables only change value when something is assigned to them. Must convert numbers to strings or vice versa when operating on them.Ĭan mix integers and floats freely in operations. Strings have a length (but numbers don’t). Types control what operations can be done on values. Use the built-in function type to find the type of a value. In the latter cases, j is considered a variable and the statementĭepends on if j is defined and if so, its assigned value. Stack Overflow provides additional explanation and Was an early convention established from electrical engineering that now presents a technically expensive area toĬhange.
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