Untitled

f1 = open("file_1.txt", "w")

while True:
    temp = input()
    f1.write(temp + "\n")
    if len(temp) == 0:
        break

f1.close()
f1 = open("file_1.txt")
f2 = open("file_2.txt", "w")

for line in f1:
    count = 0
    if len(line.split()) == 1:
        f2.write(line)

f1.close()
f2.close()

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check = True

while check:
    print("1 - destination, 2 - price < 50, 0 - exit")
    try:
        my_file = open("file_3.txt")
        choice = int(input())
        if choice == 1:
            print("Enter destination: ")
            destination = input()
            flag = False
            for line in my_file:
                if destination in line:
                    print(line)
                    flag = True
            if not flag:
                print("No such root found")
        elif choice == 2:
            for line in my_file:
                my_list = line.split()
                if int(my_list[4]) < 50:
                    print(line)
        elif choice == 0:
            check = False
        else:
            print("Wring symbol")
        my_file.close()
    except:
        print("Wring symbol")
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my_file = open("file_4.txt")
my_dict = dict()

for line in my_file:
    my_list = line.split(maxsplit=1)
    sum = 0
    num = ""
    for char in my_list[1]:
        if char.isdigit():
            num = num + char
        else:
            if num != '':
                sum += int(num)
                num = ''
    if num != '':
        sum += int(num)
    my_dict[my_list[0][:len(my_list[0])-1]] = sum

my_file.close()
print(my_dict)
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my_file = open("file_5.txt")
my_list = [dict(), dict()]
counter = sum = 0

for line in my_file:
    list1 = line.split()
    if int(list1[2])- int(list1[3]) >= 0:
        sum += int(list1[2])-int(list1[3])
        counter += 1
    my_list[0][list1[0]] = int(list1[2])-int(list1[3])

my_file.close()

try:
    my_list[1]["average income"] = sum/counter
except ZeroDivisionError:
    my_list[1]["average income"] = 0
print(my_list)