Update caesar_cipher.py (TheAlgorithms#702)

Author: abhikmp

ciphers/caesar_cipher.py

@@ -42,16 +42,16 @@ def main():
  print("4.Quit")
  choice = input("What would you like to do?: ")
  if choice not in ['1', '2', '3', '4']:
- print ("Invalid choice")
+ print ("Invalid choice, please enter a valid choice")
  elif choice == '1':
- strng = input("Please enter the string to be ecrypted: ")
+ strng = input("Please enter the string to be encrypted: ")
  key = int(input("Please enter off-set between 1-94: "))
  if key in range(1, 95):
  print (encrypt(strng.lower(), key))
  elif choice == '2':
  strng = input("Please enter the string to be decrypted: ")
  key = int(input("Please enter off-set between 1-94: "))
- if key > 0 and key <= 94:
+ if key in range(1,95):
  print(decrypt(strng, key))
  elif choice == '3':
  strng = input("Please enter the string to be decrypted: ")