data

• identifier
• variable
• assignment
• literal
• type
  • simple/scalar
    • integer int
    • floating-point float
    • Boolean bool
  • composite
    • string str
      • escape
    • list
    • tuple

    operations:

    • subscript
    • slice
    • len()

expressions

• evaluation
• operators (decreasing precendence)
  • arithmetic

    **
    - (unary)
    * / // %
    + -
  • relational

    == != > >= < <=
  • logical (Boolean)

    not
    and
    or
• type promotion/conversion/coercion
• lexicographic order
• function call (invocation)

statements

• assignment
• print
• pass
• block
• conditional

    if boolean-expression :
        block
    elif boolean-expression :
        block
    else:
        block
• while loop

    while boolean-expression :
        block
• break

functions

• definition

    def name(formal-parameters):
        block
• return
• scope
• local identifier (variable)
• function definition vs. invocation, activation
• formal parameters, actual parameters
• doc string

misc.

• immutable vs. mutable types
• equality (==) vs. identity (is)