[Python] my programmr of casar space always chance to other things

my programme decrypt some poem,but the result of decrpy have a problem. My other words are correct,but my space will turn to different words like { and t and i don't know the reasons

def Check(input_text):
allowed_chars = ''.join(chr(i) for i in range(32, 127))
for i in input_text:
if i not in allowed_chars:
return False
return True
def Decrypt(input_text, key):
decrypted_text = ""
for char in input_text:
if 32 <= ord(char) <= 126:
decrypted_char = chr((ord(char) - 32 - key) % 95 + 32)
decrypted_text += decrypted_char
else:
decrypted_text += char
return decrypted_text
def ShowAllDecryptions(encrypted_text):
print("\nDisplay all possible decryption results (key from 0 to 94）：\n")
for key in range(96):
decrypted_text = Decrypt(encrypted_text, key)
print(f"Key {key}: {decrypted_text}")
if __name__ == "__main__":
encrypted_text = input("Please enter the text to be decrypted:")
if not Check(encrypted_text):
print("The text entered is invalid. Please use only ASCII characters.")
else:
print("\nPlease select the decryption method：")
print("1. Decrypt using a specific key")
print("2. Show all possible decryption results")
decrypt_choice = input("Please enter your choice（1/2）：")
if decrypt_choice == "1":
try:
key = int(input("Please enter the key (integer) used for decryption："))
decrypted_text = Decrypt(encrypted_text, key)
print("\nThe decrypted text is:", decrypted_text)
except ValueError:
print("key Invalid input, please enter an integer.")
elif decrypt_choice == "2":
ShowAllDecryptions(encrypted_text)
else:
print("Invalid selection, please rerun the programme")


i try to use different poem to find out thw bug ,but i can't find it .I hope someone can help me solve this problems

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