Python 测验
开始
if None: print(“Hello”)
for i in [1, 0]: print(i+1)
i = sum = 0 while i <= 4: sum += i i = i+1 print(sum)
while 4 == 4: print('4')
for char in 'PYTHON STRING': if char == ' ': break print(char, end='') if char == 'O': continue