*Data Types:
*

1. Numeric int float (decimal numbers) complex numbers
2. Text( strings= collection of characters,no.,space,etc.,) denoted within quotes.

3. Boolean

4. None

Variables and Constants:

Variable = Containers to hold the values
naming variables ( @,!, etc not to be used)
multiple assignments

Tuple

References

Constants (Statice variable)
Formats of Constants(All Caps)

Solution for Exercises:

Create a variable named name and assign your name to it. Then print the value of the variable.

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name= "Ravi"
print(name)
Ravi
Create a variable age and assign your age to it. Later, reassign the variable with a new value and print the new value.

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Age=62
Age=32
print(Age)
32
Assign the values 5, 10, and 15 to three variables a, b, and c in a single line.Print their values.

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a,b,c=5,10,15
print(a,b,c)
5 10 15
Swap the values of two variables x and y without using a third variable. Print their values before and after swapping.

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x,y=5,10
print(x,y)
x,y,=y,x
print(x,y)
5 10
10 5
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x,y=5,10
print(x,y)
x=x+y
y=x-y
x=x-y
print(x,y)
5 10
10 5
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PI=22/7
print(PI)
3.142857142857143
Constant is a static variable.

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PI=22/7
r=10
Area=PI*r*r
print(Area)
314.2857142857143
Define constants for the length and width of a rectangle.

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LEN=4
BRTH=5
A=LEN*BRTH
print(A)

20
Define a constant for π (pi) and a variable for the radius. Calculate and print the circumference of the circle.

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PI=22/7
r=10
C=PI*r+r
print(C)
41.42857142857143
[37]
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PI=22/7
r=10
C=PI*(r+r)
print(C)
62.857142857142854