Stable Marriage Calculator

global w1_name, w2_name, w3_name, w4_name, w5_name 
global m1_name, m2_name, m3_name, m4_name, m5_name

global w1_1st_pref, w1_2nd_pref, w1_3rd_pref, w1_4th_pref, w1_5th_pref
global w2_1st_pref, w2_2nd_pref, w2_3rd_pref, w2_4th_pref, w2_5th_pref
global w3_1st_pref, w3_2nd_pref, w3_3rd_pref, w3_4th_pref, w3_5th_pref
global w4_1st_pref, w4_2nd_pref, w4_3rd_pref, w4_4th_pref, w4_5th_pref
global w5_1st_pref, w5_2nd_pref, w5_3rd_pref, w5_4th_pref, w5_5th_pref

global m1_1st_pref, m1_2nd_pref, m1_3rd_pref, m1_4th_pref, m1_5th_pref
global m2_1st_pref, m2_2nd_pref, m2_3rd_pref, m2_4th_pref, m2_5th_pref
global m3_1st_pref, m3_2nd_pref, m3_3rd_pref, m3_4th_pref, m3_5th_pref
global m4_1st_pref, m4_2nd_pref, m4_3rd_pref, m4_4th_pref, m4_5th_pref
global m5_1st_pref, m5_2nd_pref, m5_3rd_pref, m5_4th_pref, m5_5th_pref

def input_w1():
    w1_name = input("\nPlease enter the first woman's name: ")
    w1_1st_pref = input("First choice: ")
    w1_2nd_pref = input("Second chioce: ")
    w1_3rd_pref = input("Third choice: ")
    w1_4th_pref = input("Fourth choice: ")
    w1_5th_pref = input("Fifth choice: ")
    
def input_w2():
    w2_name = input("\nPlease enter the second woman's name: ")
    w2_1st_pref = input("First choice: ")
    w2_2nd_pref = input("Second chioce: ")
    w2_3rd_pref = input("Third choice: ")
    w2_4th_pref = input("Fourth choice: ")
    w2_5th_pref = input("Fifth choice: ") 
    
def input_w3():
    w3_name = input("\nPlease enter the third woman's name: ")
    w3_1st_pref = input("First choice: ")
    w3_2nd_pref = input("Second chioce: ")
    w3_3rd_pref = input("Third choice: ")
    w3_4th_pref = input("Fourth choice: ")
    w3_5th_pref = input("Fifth choice: ")
    
def input_w4():
    w4_name = input("\nPlease enter the fourth woman's name: ")
    w4_1st_pref = input("First choice: ")
    w4_2nd_pref = input("Second chioce: ")
    w4_3rd_pref = input("Third choice: ")
    w4_4th_pref = input("Fourth choice: ")
    w4_5th_pref = input("Fifth choice: ")
    
def input_w5():
    w5_name = input("\nPlease enter the fifth woman's name: ")
    w5_1st_pref = input("First choice: ")
    w5_2nd_pref = input("Second chioce: ")
    w5_3rd_pref = input("Third choice: ")
    w5_4th_pref = input("Fourth choice: ")
    w5_5th_pref = input("Fifth choice: ")
    
def input_m1():
    m1_name = input("\nPlease enter the first man's name: ")
    m1_1st_pref = input("First choice: ")
    m1_2nd_pref = input("Second chioce: ")
    m1_3rd_pref = input("Third choice: ")
    m1_4th_pref = input("Fourth choice: ")
    m1_5th_pref = input("Fifth choice: ")
    
input_w1()

Python Fiddle

Python Cloud IDE