StatsProg

"""
2.11 Challenge Think of a real-world scenario where you need to work
with data and find the average,
minimum or maximum of a list of values.
This could be using data that you work with in school, or for a
hobby or other interest.
Write an algorithm in plain English for your chosen function.
Implement the function in Python and demonstrate it using randomly-generated
data or data from a real world problem.
"""

# my program invites a user to enter data and then calculate min, max and mean

"""
approach
get input from user until stats or quit is entered

capture entries in a list
when stats entered calculate
min, max and mean
and print out

when quit entered, just quit the progamme
"""

def calc_min(datalist):
    currmin = datalist[0]  # captures a start value that's in the list
    for item in datalist:
        if item < currmin:
            currmin = item
    return (currmin)

def calc_max(datalist):
    currmax = datalist[0]  # captures a start value that's in the list
    for item in datalist:
        if item > currmax:
            currmax = item
    return (currmax)

def calc_mean(datalist):
    listlength=0
    listsum = 0
    for item in datalist:
        listsum += item
        listlength += 1
    listavg = listsum/listlength
    return (listsum)
    return (listlength)
    return (listavg)

def calc_all (datalist):
    print(f"the data you entered was {datalist} it has {len(datalist)} items")
    print(f"the smallest (MINIMUM) value was {calc_min(datalist)}")
    print(f"the largest (MAXIMUM) value was {calc_max(datalist)}")
    print(f"and the average (MEAN) value was {calc_mean(datalist)}")
    print("Thank you for using me!!")


datalist=[]
baddata=[]

#test data
#for x in range (0, 30):
#  datalist.append(randint(0, 10))    # Generate a random number from 0 to 10 and append to scores

#print(datalist)

print(
"""
This is my stats machine, keep entering numbers
and I will then produce some stats:-
enter STATS to produce the min, max and mean
enter QUIT to leave the program

""")

data_entry = input("Please enter a number or STATS or QUIT > " )

while True: #data_entry.upper() not in ("STATS","QUIT"): # testing entry
    try:
        if data_entry.upper() == "STATS":  # testing for stats being entered
            calc_all(datalist)
            break
        elif data_entry.upper() == "QUIT":  # testing for a simple quit
            break
        elif float(data_entry):  # seeing if data _entry is a float
            datalist.append(float(data_entry))
            data_entry = input("Please enter a number or STATS or QUIT > " )
        elif int(data_entry):  #  seeing if data_entry is an integer
            datalist.append(float(data_entry))
            data_entry = input("Please enter a number or STATS or QUIT > " )
    except:
        print("invalid entry > " + str(data_entry))  # bad data entry trap and ouptup what has been entered
        baddata.append(data_entry)  # copy the bad data to separate list
        data_entry = input("Please enter a number or STATS or QUIT > " )

#  testing separate functions
#calc_min(datalist)
#calc_max(datalist)
#calc_mean(datalist)

#calc_all(datalist)

if len(baddata):
    print(f"The bad data you entered was {baddata},  {len(baddata)}items")