ss='파이썬'
print(ss.center(10))
print(ss.center(10,'-'))
print(ss.ljust(10))
print(ss.rjust(10))
print(ss.zfill(10))

print('1234'.isdigit())
print('abcd'.isalpha())
print('abc123'.isalnum())
print('abcd'.islower())
print('ABCD'.isupper())
print(' '.isspace())
