caesar cipher implementation python

caesarcipher.py

def encrypt(text,key):
    if key>26:
        key=key%26
    result=''
    for char in text:
         asciiCode=ord(char)
         if asciiCode>=65 and asciiCode<=122: ## if character between a ...Z
             charCode=asciiCode+key
             if charCode>122:
                 charCode=charCode-26
             result+=chr(charCode)
         else:
             result+=char
             
            
    return result

         
         

result=encrypt("helloworld!",2000)

print(result)