Created
April 4, 2019 01:55
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Sex ratio calculation
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from random import random | |
CONST_FAMILIES = 65536 | |
CONST_GENERATIONS = 100 | |
CONST_NATURAL_RATIO = 0.5 | |
# User input data | |
A1 = input('How many families are there? (default ' + str(CONST_FAMILIES) + ')') | |
A2 = input('How many children will one family have? (default ' + str(CONST_GENERATIONS) + ')') | |
# Data processing | |
try: | |
families = int(A1) | |
except: | |
families = CONST_FAMILIES | |
try: | |
generations = int(A2) | |
except: | |
generations = CONST_GENERATIONS | |
# Total number of boys and girls | |
totalboys = 0 | |
totalgirls = 0 | |
# Loop | |
for i in range(0, generations): | |
# Number of boys in current generations | |
boys = 0 | |
for j in range(0, families): | |
childsex = int(random() + CONST_NATURAL_RATIO) | |
boys += childsex | |
print('{0} - total {1}, M/F ratio : {2}/{3}'.format(i + 1, families, boys, families - boys)) | |
totalboys += boys | |
totalgirls += families - boys | |
# Only families who gave birth a boy will be calculated next loop | |
families = boys | |
if(boys == 0): | |
break | |
print('total children : {0}, boys : {1}, girls {2}'.format(totalboys + totalgirls, totalboys, totalgirls)) |
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