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Given the following text description, write Python code to implement the functionality described below step by step
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Description:
 Variables
Variables are object that store data somewhere. Let's see an example.
Step1:  Okay, neat. Can I only make variables that hold numbers?
Step2:  Wait a minute, the numerical variables above are only integers...can we use decimal points?
Step3:  Wow look at all those variables! What do I call them all?
Terminology
Integer
Step4:  Note that our a and b didn't go away. Variables will stick around until you change them.
Step5:  We have the usual arithmetic operators, $+, -, /, $. On top of that we also have the power operator, $*$, the modulo operator $\%$ which returns the remainder from a quotient, the additive equality operator $+=$, and the equality operator, $=$. We also have the comparison operators; $>,<,==, !=, and, or$. Which mean, greater than, less than, is equal to, is not equal to, and, or.
Step6:  Exercises
Let a=5 and b=17634, compute a+b, a-b, a*b, a/b, b**a, a**b and a%b
Write four Boolean statements(a>b and b<a). Two should be True and two should be False.
Let a=4637 and b=8467. Is a**b<b**a? Is a%b**3==0?
Notes about Strings
Let's explore how a computer thinks about strings. Beginning with some natural ideas.
1. Does the computer know how long a string is?
2. What if you want only part of a string?
3. What does it mean to add two strings?
3. How does a computer "see" the string?
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Python Code:
a=45
print(a)
b=25
print(b)
Explanation: Variables
Variables are object that store data somewhere. Let's see an example.
End of explanation
x="Hello Everybody!"
print(x)
Amiright=True
print(Amiright)
Explanation: Okay, neat. Can I only make variables that hold numbers?
End of explanation
fl = 0.54
print(fl)
Explanation: Wait a minute, the numerical variables above are only integers...can we use decimal points?
End of explanation
print(a)
print(b)
c=a+b
print(c)
Explanation: Wow look at all those variables! What do I call them all?
Terminology
Integer:Any whole number:42,2635
Float:Any number at all
String:Anything with letters in it
Boolean:Any True or False statement
These will become useful when you get an error and you are wondering what it means.
Operators
So now that we have these fandangled new variables, what can we do with them?
Well, that's where operators come in handy. If you want to do arithmetic on two numerical variables or compare two variables, operators are how you do it. Let's see some examples.
End of explanation
c=a/b
print(c)
c=c+a
print(c)
Explanation: Note that our a and b didn't go away. Variables will stick around until you change them.
End of explanation
#addition
print(2+2)
#division or quotient
print(42/42)
#multiplication
print(2*3)
#subtraction
print(2-8)
#exponent or power
print(2**3)
#modulo or remainder
print(10%7)
#additive equality
a=56
a+=10
print(a)
#greater than
print(10>5)
#less than
print(10<5)
#is equal to
print(11==10)
#is not equal to
print(10!=10)
#and
print(11==11 and 12>10)
#or
print(10==11 or 5<7)
Explanation: We have the usual arithmetic operators, $+, -, /, $. On top of that we also have the power operator, $*$, the modulo operator $\%$ which returns the remainder from a quotient, the additive equality operator $+=$, and the equality operator, $=$. We also have the comparison operators; $>,<,==, !=, and, or$. Which mean, greater than, less than, is equal to, is not equal to, and, or.
End of explanation
string="hiya"
print(len(string))
print(string[0])
string1=" there!"
print(string+string1)
print(string-string1)
Explanation: Exercises
Let a=5 and b=17634, compute a+b, a-b, a*b, a/b, b**a, a**b and a%b
Write four Boolean statements(a>b and b<a). Two should be True and two should be False.
Let a=4637 and b=8467. Is a**b<b**a? Is a%b**3==0?
Notes about Strings
Let's explore how a computer thinks about strings. Beginning with some natural ideas.
1. Does the computer know how long a string is?
2. What if you want only part of a string?
3. What does it mean to add two strings?
3. How does a computer "see" the string?
End of explanation
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