# Online Python compiler (interpreter) to run Python online.
# Write Python 3 code in this online editor and run it.
print("This is my 1st program in Python")

# Adding 2 numbers.
num1=8
num2=12
print("The Result = ", num1+num2)

# Branching-1.
num1=8
num2=12
if num1>num2:
        print("1st number is greater")
else:
        Print("2nd number is greater")

# Branching-2.
mark=33
if mark>=33:
        print("Pass")
else:
        Print("Fail")

# Branchibg using like ternary oparetor
fee=1500
print('Allowed for Examp')if fee==1500 else print('Not allowed')

# Branchibg using like ternary oparetor
name='Salam Md'
print('Allowed him')if name=='Salam' or name=='Salam md' else print('Not Allowed him')

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# Branching-3.
mark=39
if mark>=40:
        print("Pass")
elif mark>=20:
        print("Referred")
else:
        print("Fail")

'''
Mathematical Program using Branching
Here we uses a Menu
Also we take input
'''
print("\t\t\tMathematical Program")
print("\t\t ---------------------")
print("\t\t 1. Add")
print("\t\t 2. Subtract")
print("\t\t 3. Multiply")
print("\t\t 4. Divide")
print("\t\t 5. Exit")
ch=input("\t Enter your choice=")
if(ch=='1'):
    num1=int(input("\t Enter 1st number ="))
    num2=int(input("\t Enter 2nd number ="))
    print("\t\t Result = ", num1+num2)
if(ch=='2'):
    num1=int(input("\t Enter 1st number ="))
    num2=int(input("\t Enter 2nd number ="))
    print("\t\t Result = ", num1-num2)
if(ch=='3'):
    num1=int(input("\t Enter 1st number ="))
    num2=int(input("\t Enter 2nd number ="))
    print("\t\t Result = ", num1*num2)
if(ch=='4'):
    num1=int(input("\t Enter 1st number ="))
    num2=int(input("\t Enter 2nd number ="))
    print("\t\t Result = ", num1/num2)
if(ch=='5'):
    exit
    print("\t\t Thanks")

# Looping-2. (1+2+3.............+100)
sum=0
for x in range(1, 101, 1):
     sum=sum+x
print("The Sum = ", sum)

# Looping-3. (1+2+3.............+100) add for even number
sum=0
for x in range(0, 101, 2):
     sum=sum+x
print("The Sum = ", sum)

# Looping-1. (1+2+3.............+100) add for odd number
sum=0
for x in range(1, 101, 2):
     sum=sum+x
print("The Sum = ", sum)

# Function()
def purchase_misty():
    s=0
    for x in range(0, 101, 2):
        s=s+x
    print("The Sum = ", s+5)
# Call the function
purchase_misty()

example: sum_even

Algorithm:
A set of rules that defines how a program executes. Algorithms are used in computer science and mathematics. They are made up of three basic building blocks: sequencing, selection, and iteration.

#Algorithm for Python Program to Add Two Numbers:
      1. Declare two variables.
      2. Initialize the variables with some values.
      3. Declare another variable to store the sum of the numbers.
      4. Apply the mathematical plus(+) operator between two values and 
      5. store the result.

Algorithm:
Name of Algorithm: To add two numbers.
Step 1: Start
Step 2: Read two numbers as A and B
Step 3: Sum = A + B
Step 4: Display Sum
Step 5: Stop
Flowchart:
A flowchart is a graphical representation of the steps a program takes to process data. In this, we can use several geometric patterns to illustrate the numerous actions the program carries out.

Flowchart:
Difference between algorithm and flow chart:

1.	An algorithm is a step-by-step procedure to solve a problem.	A flowchart is a diagram created with different shapes to show the flow of data.
2.	The algorithm is complex to understand.	A flowchart is easy to understand.
3.	In the algorithm, plain text is used.	In the flowchart, symbols/shapes are used.

The flowchart for finding Greatest among three numbers is given below:-

Flowchart 
Flowchart to calculate area of triangle