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BabyNames.py
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BabyNames.py
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# File: BabyNames.py
# Description:
# Student Name: David Bradham
# Student UT EID: dmb3767
# Course Name: CS 313E
# Unique Number: 51340
# Date Created: 3/23
# Date Last Modified: 3/24
import requests
def second_of_pair(t):
x = int(t[1])
return x
# Function to return whether a given name is in the dictionary
def search(name, dict_):
keys = list(dict_.keys())
for i in keys:
if i == name:
return True
return False
# Function to show all rankings for a given name
def decades(name, dict_):
first_line = ''
decade = 1900
values = list(dict_[name])
for i in values:
first_line = first_line + ' ' + str(i)
print(name + ':' + first_line)
for i in values:
print(str(decade) + ': ' + str(i))
decade += 10
return
# function to translate an index value taken from a value in the dictionary and return a decade value
def idx_to_decade(idx):
if idx == 0:
decade = 1900
elif idx == 1:
decade = 1910
elif idx == 2:
decade = 1920
elif idx == 3:
decade = 1930
elif idx == 4:
decade = 1940
elif idx == 5:
decade = 1950
elif idx == 6:
decade = 1960
elif idx == 7:
decade = 1970
elif idx == 8:
decade = 1980
elif idx == 9:
decade = 1990
else:
decade = 2000
return decade
# function serves the same purpose as above except it takes decades as argument and returns an index
def decade_to_idx(decade):
if decade == 1900:
idx = 0
elif decade == 1910:
idx = 1
elif decade == 1920:
idx = 2
elif decade == 1930:
idx = 3
elif decade == 1940:
idx = 4
elif decade == 1950:
idx = 5
elif decade == 1960:
idx = 6
elif decade == 1970:
idx = 7
elif decade == 1980:
idx = 8
elif decade == 1990:
idx = 9
else:
idx = 10
return idx
# function that returns a sorted list in terms of the most popular names in a given decade
def names(decade, dict_):
list_names = []
keys = list(dict_.keys())
for name in keys:
if dict_[name][decade] != '0':
list_names.append((name, dict_[name][decade]))
list_names = sorted(list_names, key = second_of_pair)
return list_names
# function that displays all the names which are ranked in every decade
def always_appear(dict_):
list_names = []
keys = list(dict_.keys())
for i in keys:
append = True
for j in range(11):
if dict_[i][j] == '0':
append = False
if append == True:
list_names.append(i)
return sorted(list_names)
# function that displays all the names which are ranked and more popular each decade
def more_popular(dict_, keys):
pop_list = []
for i in keys:
app = True
for j in range(10):
if int(dict_[i][j]) < int(dict_[i][j+1]):
app = False
if app == True:
pop_list.append(i)
num_names = len(pop_list)
print(str(num_names) + ' names are more popular in every decade.')
for i in sorted(pop_list):
print(i)
# function that displays all ranked names which are less popular each decade
def less_popular(dict_, keys):
pop_list = []
for i in keys:
app = True
for j in range(10):
if int(dict_[i][j]) > int(dict_[i][j+1]):
app = False
if app == True:
pop_list.append(i)
num_names = len(pop_list)
print(str(num_names) + ' names are less popular in every decade.')
for i in sorted(pop_list):
print(i)
def main():
# define the url where the data is and use requests module to store data locally
url = 'http://www.cs.utexas.edu/~mitra/csSpring2018/cs313/assgn/names.txt'
try:
r = requests.get(url, stream = True)
except requests.exceptions.RequestException as e:
print(e)
sys.exit(1)
dict_ = {}
# decode the data and populate a dictionary with names and list objects showing their relative rank each decade
for line in r.iter_lines():
line = str (line, encoding = 'utf8')
line = line.strip()
line = line.split()
key = line[0]
dict_[key] = list(line[1: ])
# display the options to a user using a loop
user_input = True
while user_input == True:
print('Options:')
print('Enter 1 to search for names.')
print('Enter 2 to display data for one name.')
print('Enter 3 to display all names that appear in only one decade.')
print('Enter 4 to display all names that appear in all decades.')
print('Enter 5 to display all names that are more popular in every decade.')
print('Enter 6 to display all names that are less popular in every decade.')
print('Enter 7 to quit.')
print(' ')
num = input('Enter choice:')
# conditional for option 1
if num == '1':
name = input('Enter a name:')
if search(name, dict_) == True:
decade_values = list(dict_[name])
for i in range(len(decade_values)):
if decade_values[i] == '0':
decade_values[i] = 1001
decade_values[i] = int(decade_values[i])
if decade_values.count(min(decade_values)) > 1:
list_decades = []
for i in range(len(decade_values)):
if decade_values[i] == min(decade_values):
list_decades.append(idx_to_decade(i))
print(name, end=' ')
print(*list_decades, sep=' ')
else:
idx = decade_values.index(min(decade_values))
print(name + ' ' + str(idx_to_decade(idx)))
else:
print(name + ' does not appear in any decade.')
# condtional for option 2
elif num == '2':
name = input('Enter a name:')
if (search(name, dict_) == True):
decades(name, dict_)
else:
print(name + ' does not appear in any decade.')
# conditional for option 3
elif num == '3':
decade = int(input('Enter decade:'))
print('The names are in order of rank:')
decade = decade_to_idx(decade)
list_names = names(decade, dict_)
for i in list_names:
print(i[0] + ': ' + i[1])
# conditional for option 4
elif num == '4':
list_names = always_appear(dict_)
num_names = len(sorted(list_names))
print(str(num_names) + ' names appear in every decade. The names are: ')
for i in sorted(list_names):
print(i)
# condtional for option 5
elif num == '5':
lista = always_appear(dict_)
more_popular(dict_, lista)
# condtional for option 6
elif num == '6':
lista = always_appear(dict_)
less_popular(dict_, lista)
# conditional for any input not associated with options 1-6
else:
print(' ')
user_input = False
print(' ')
print('Goodbye.')
main()