Worksheet Solutions: Introduction to Python | Computer Applications for Class 9 PDF Download

Q.1. Fill in the blanks with the given words.
(i) The print statement is used to display the output.
(ii) Data Type is a way of dictating Python what type of data will a variable hold.
(iii) Integers are numbers without a Point.
(iv) A variable is a name given to a memory location that can contain a data value.
(v) Variables may begin with an alphabet or Underscore.
(vi) If a line begins with # it is completely Ignored by the interpreter.
(vii) Strings are enclosed within single or Double quotes.
(viii) Integers, Float and Complex numbers are valid Python numerical types.
(ix) The equal sign (=) is used to assign values to variables.
(x) Keywords 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. False
(ii) Arithmetic Operators are used to evaluate a mathematical expression. True
(iii) You need to save a file before execution in Interactive mode. False
(iv) Lines of comments are preceded with the & symbol. False
(v) You can program both in Interactive and Script Mode in Python. True
(vi) Keywords may be used as variables. False
(vii) 25max is a valid variable. False
(viii) Python uses a compiler. False
(ix) The display( ) statement is used to print the output on the shell window. False
(x) Variables are names given to memory locations that stores data. True