MinMaxMean

# -------------------------------------------------------------------------
#  Programming 102: Think Like a Computer Scientist Raspberry Pi Foundation
#  Section 2.11 challenge
#  Functions min, max, and mean
# -------------------------------------------------------------------------
from random import randint

# The function minimum returns the smallest value in a list of values
#  aList   - a list of values
def minimum(aList):
    current = aList[0]              # current holds the smallest found so far init to list's first element
    for value in aList :            # look at every value in the list
        if value < current :        # if the value is smaller than the current one
            current = value         # save it in current
    return current                  # return the current value

# The function maximum returns the largest value in a list of values
#  aList   - a list of values
def maximum(aList):
    current = aList[0]              # current holds the largest found so far init to list's first element
    for value in aList :            # look at every value in the list
        if value > current :        # if the value is bigger than the current one
            current = value         # save it in current
    return current                  # return the current value

# The function mean returns the arithmetic mean of a list of values (sum of the values / number of values)
#  aList   - a list of values
def mean(aList):
    n = len(aList)                  # get the number of elements on the list
    sum = 0                         # initialize the sum to zero
    for value in aList :            # look at every value in the list
        sum += value                # add it to te sum
    return sum / n                  # return the current value

# temp - the observed maximum temperatures in Lisbon during November 2019
temp = [20.8,20.1,19.6,19.8,17.8,16.8,17.9,16.9,19,17.2,18.4,14.8,17.7,15.9,17.3,18,16.3,16.6,19.7,17.9,18.4,18.7,17.5]

print("Values: " , temp)
print("The minimum is "
+ str(minimum(temp)) + ", the maximum is "
+ str(maximum(temp)) + ", and the mean is "
+ str(mean(temp)))