working lab 2.py

import time
import string
# global F_Contents Corrected - was F_Content, moved inside function


def F_info():

    global space_count
    global F_Contents
    global F_hand
    F_hand = ""
    file = ""
    F_hand = input("\nWhat file would you like to find?\n")
    if not F_hand.endswith(".txt"):
        F_hand += ".txt"
    print("\nAttempting to open:", F_hand, "\n")
    time.sleep(0.4)
    try:
        with open(F_hand, "r") as file:
            F_Contents = file.read()
            print(F_Contents)
    except:
        print("\nfile does not exist\nplease enter a valid file name\n")
        F_info()


def opchoice():
    print ("------------------------------------------------------------")
    operation = input(
"""\n\nwhich of the following would you like to do?\nA: Count all letters\nB: Count all words\nC: Count how many times a specific letter appears\nD: Count how many times a specific word or phrase appears\nE: View entire file in uppercase letters\nF: View entire file in lowercase letters\nG: Exit the program\n""").upper()
    print ("------------------------------------------------------------")
    if operation == "A":
        with open (F_hand, "r") as Afile:
            data = Afile.read().replace(" ","").replace("+","").replace("×","").replace("÷","").replace("=","").replace("%","").replace("/","").replace("*","").replace("€","").replace("£","").replace("@","").replace("$","").replace("","").replace("","").replace("","").replace('',"").replace("!","").replace("#","").replace(":","").replace(";","").replace("&","").replace("_","").replace("(","").replace(")","").replace("-","").replace("'","").replace('"',"").replace(",","").replace(".","").replace("?","").replace("1","").replace("2","").replace("3","").replace("4","").replace("5","").replace("6","").replace("7","").replace("8","").replace("9","").replace("0","")
            Alen = len(data)
            print (
    "\nThe total number of letters is: ",Alen,"\n"
        )
#part of a bigger program but this operarion choice
#should find the number of words in a file
#without counting any special characters, numbers, or #individual letters
    elif operation == "B":
#W_num is number of words
#F_Contents is whats inside the file
        W_num = sum([i.strip(string.punctuation).isalpha() for i in F_Contents.split()])

        print ("The number of words is:",W_num,"\n")
#Should only output number of words, but for me it is #counting individual letters as words too
    elif operation == "C":
        letter = input("\nEnter a letter\n").lower()
        Al_char = ["a","b","c","d","e","f","g","h","i","j","k","l","m","n","o","p","q","r","s","t","u","v","w","x","y","z","1","2","3","4","5","6","7","8","9","0"]
        while letter not in Al_char:
            letter = input("Choose a single letter or number\n").lower()
        L_count = (F_Contents.lower().count(letter))
        print ("The letter",letter,"appears",L_count,"times")

    elif operation == "D":
        phrase = input("\nEnter a word or phrase\n").lower()
        while (len(phrase)) <= 1:
            phrase = input("\nenter a valid word or phrase or series of letters\n").lower()
        ph_count = F_Contents.lower().count(phrase)
        print(ph_count)


    elif operation == "E":
        print(F_Contents.upper())


    elif operation == "F":
        print(F_Contents.lower())

    elif operation == "G" or "EXIT" or "QUIT" or "DONE":
        exit()

    else:
        print("Please choose a valid operation from the list of operations.(A-G)")
        opchoice()
def retry():
    choice = input("Would you like to find another file? (y/n)\nIf you would like to use the same file and use a new\n operation instead enter (same)\n").lower()
    if choice == "y":
        F_info()
        opchoice()
        retry()
    elif choice == "same":
        opchoice()
        retry()
    else:
        exit()
with open("testfile.txt", "w+") as test:
    test.write("The dog walked across the room.")
with open("testfile.txt", "r") as test:
    contents = test.read()
    print("checking contents of testfile.txt:\n", contents)

with open("breaktest.txt","w+") as test2:
    test2.write("+ w d ×%+/÷ *€× h &#? hello '1 572 2 ()$_")
with open("breaktest.txt","r") as test2:
    contents2 = test2.read()
    print ("checking contents of breaktest.txt\n", contents2)


F_info()
opchoice()
retry()