pset6 caesar.py the program show nothing when I type python caesar.py 2 nothing happen. Please help.

Question

from cs50 import get_string import sys

def main(): if len(sys.argv) != 2: print("usage: python caesar.py key") exit(1) key = int(sys.argv[1]) translated = [] plaintext = get_string("Plaintext: ", end="")

for symbol in plaintext:
    if symbol.isalpha():
        translated.append(caesar(symbol, key))
    else:
        translated.append(symbol)

print("".join(translated))
exit(0)

def caesar(char, key):
    if char.isupper():
        return chr(((ord(char) - 65 + key) % 26) + 65)
    else:
        return(((ord(char) - 97 + key) % 26) + 97)

if name == "__ main__": main()

Answer 1

Looks like you have a space in "__main__" so your main function is never called.