# Python Basics Exercises

Source: Internet
Author: User

1. Simple input/output interaction.

`Number=input (' Please enter a number:')print(numbers)`

2. The user enters two numbers, calculates and outputs the sum of two digits: (try to do this with just one line of code)

`#user Input numberFIR = input ('Enter the first number:') SEC= Input ('Enter a second number:')#sumsum = float (FIR) +Float (sec)#Show Calculation Results##第一种方法Print('the number {0} and {1} Add results to: {2}'. Format (fir, sec, sum)#The second method ofPrint('the result of adding two numbers is:', float (FIR) + float (sec))`

3. Enter a radius to calculate the area of the circle.

`a=3.14#  user input number r = input (' radius of input circle:')#  Find Area area = a*r*r#  Displays the calculated result Print(' the radius of this circle is:' , area)`

Python Basics Exercises

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