Exercise 1 1 Experiment with IDLE's interactive shell This exercise guides you through experimenting with Python's interactive shell Start IDLE That should display a window for the interactive shell Enter the following print() functions and arithmetic expressions into the interactive console Note that (1) the print() function prints a blank line if you don't code anything between the parentheses, (2) the is used for multiplication in an arithmetic expression, (3) the spaces before and after arithmetic operators aren't required, and (4) parentheses are used just as they are in algebraic expressions If you make entry errors, the shell should display appropriate error messages Try entering these statements to see how they work var1 30 var2 25 var1 10 var1 var1 var2 var 2 The last one is deliberately incorrect so it should display an error message Continue experimenting if you like However, this should make more sense after you read the next chapter and learn how to start writing Python code This exercise guides you through experimenting with Python's interactive shell, 1 Start IDLE That should display a window for the interactive shell 2 Enter the following print() functions and arithmetic expressions into the interactive console print ( The meaning of life ) print() 30 12 42 3012 18 34 12 12 3 4 0 1 3 0 33333333333333333 34 30 42 3(4 30) 102 Note that (1) the print() function prints a blank line if you don't code anything between the parentheses, (2) the is used for multiplication in an arithmetic expression, (3) the spaces before and after arithmetic operators aren't required, and (4) parentheses are used just as they are in algebraic expressions If you make entry errors, the shell should display appropriate error messages 3 Try entering these statements to see how they work var1 30 var2 25 var1 10 var1 var1 var2 var 2 The last one is deliberately incorrect so it should display an error message 4 Continue experimenting if you like However, this should make more sense after you read the next chapter and learn how to start writing Python code

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Question: Exercise 1-1 Experiment with IDLE's interactive shell This exercise guides you through experimenting with Python's interactive shell Start IDLE. That should display a window for

Exercise 1-1\ Experiment with IDLE's interactive shell\ This exercise guides you through experimenting with Python's interactive shell\ Start IDLE. That should display a window for the interactive shell.\ Enter the following print() functions and arithmetic expressions into the interactive console:\ Note that (1) the print() function prints a blank line if you don't code anything between the parentheses, (2) the * is used for multiplication in an arithmetic expression, (3) the spaces before and after arithmetic operators aren't required, and (4) parentheses are used just as they are in algebraic expressions. If you make entry errors, the shell should display appropriate error messages.\ Try entering these statements to see how they work:\

var1=30

var2=25

var1+10

var1

var1+var2

\ var_2\ The last one is deliberately incorrect so it should display an error message.\ Continue experimenting if you like. However, this should make more sense after you read the next chapter and learn how to start writing Python code.

$Exercise 1-1\ Experiment with IDLE's interactive shell\ This exercise guides you$

This exercise guides you through experimenting with Python's interactive shell, 1. Start IDLE. That should display a window for the interactive shell. 2. Enter the following print() functions and arithmetic expressions into the interactive console: >> print ("The meaning of life") \> print() >> 30+12 42 3012 18 34 12 >> 12/3 4.0 1/3 0.33333333333333333 34+30 42 3(4+30) 102 Note that (1) the print() function prints a blank line if you don't code anything between the parentheses, (2) the * is used for multiplication in an arithmetic expression, (3) the spaces before and after arithmetic operators aren't required, and (4) parentheses are used just as they are in algebraic expressions. If you make entry errors, the shell should display appropriate error messages. 3. Try entering these statements to see how they work: var1=30 var2=25 var1+10 var1 var1+var2 var_2 The last one is deliberately incorrect so it should display an error message. 4. Continue experimenting if you like. However, this should make more sense after you read the next chapter and learn how to start writing Python code

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