Worksheet: Introduction to Python | Computer Science for Grade 9 PDF Download

Q.1. Fill in the blanks with the given words.
(i) The _______ statement is used to display the output.
(ii) _______ is a way of dictating Python what type of data will a variable hold.
(iii) Integers are numbers without a _______.
(iv) A _______ is a name given to a memory location that can contain a data value.
(v) Variables may begin with an alphabet or _______.
(vi) If a line begins with # it is completely _______ by the interpreter.
(vii) Strings are enclosed within single or _______ quotes.
(viii) Integers, _______ and Complex numbers are valid Python numerical types.
(ix) The equal sign (=) is used to _______ values to variables.
(x) _______ are reserve words that have special meaning to the compiler.

Q.2. State whether the following statements are True (T) or False (F).
(i) You need to declare a variable before using it.
(ii) Arithmetic Operators are used to evaluate a mathematical expression.
(iii) You need to save a file before execution in Interactive mode.
(iv) Lines of comments are preceded with the & symbol.
(v) You can program both in Interactive and Script Mode in Python.
(vi) Keywords may be used as variables. 
(vii) 25max is a valid variable.
(viii) Python uses a compiler.
(ix) The display( ) statement is used to print the output on the shell window.
(x) Variables are names given to memory locations that stores data.