stats

import math
print("Hi, I am Khamisi, your personal bot.")
addition=["sum","add","plus","total","+"]
#subtraction=["minus","subrtract","-","less","deduct"]
multiplication=["multiply","times","*","product"]
mean=["average","arithmetic mean","avg"]
division=["div","divide","/"]
command=input("choose operation: ")
if command in mean:
    n = int(input("How many data do you have?: "))
    total = 0
    for count in range(n):
        data = int(input("Enter data number "+str(count)+":"))
        total+=data
    result=total/n
    print("the average of ",n,"numbers is: "+str(result))
elif command in addition:
    n = int(input("How many data do you have?: "))
    total = 0
    for count in range(n):
        data = int(input("Enter data number "+str(count)+":"))
        total+=data
    result=total
    print("the addition of ",n,"numbers is: "+str(result))
elif command in multiplication:
     n = int(input("How many data do you have?: "))
     product=1
     for count in range(n):
        data = int(input("Enter data number "+str(count)+":"))
        product*=data
     result=product
     print("the product of ",n,"numbers is: "+str(result))
else:
     n = int(input("How many data do you have?: "))
     sumsquares=0
     sum=0
     for count in range(n):
        data = int(input("Enter data number "+str(count)+":"))
        sumsquares+=data*data
        sum+=data
        avg=sum/n
     result=sumsquares/n-avg
     result=math.sqrt(result)
     print("the standard deviation of ",n,"numbers is: "+str(result))