del 1
import re
values = []
with open('input.txt', 'r') as file:
for row in file:
values.append(row.strip())
n = 0
total = 0
int_list = []
for row in values:
int_list.append(re.sub('\D', '', values[n]))
n = n + 1
total = total + int(int_list[-1][0])*10 + int(int_list[-1][-1])
print (total)
Del 2
import re
values = []
with open('input.txt', 'r') as file:
for row in file:
values.append(row.strip())
new_values = []
n = 0
for row in values:
new_values.append(values[n].replace('one','on1e').replace('two','tw2o').replace('three','th3ree')
.replace('four','fo4ur').replace('five','fi5ve').replace('six','si6x').replace('seven','sev7en')
.replace('eight','eig8ht').replace('nine','ni9ne'))
n = n + 1
n = 0
total = 0
int_list = []
for row in new_values:
int_list.append(re.sub('\D', '', new_values[n]))
n = n + 1
total = total + int(int_list[-1][0])*10 + int(int_list[-1][-1])
print (total)