Python——基础知识

•  
• sr1="""wfndkafajd"""
• import keyword
• print（keyword.kwlist）
• >>>print(‘Hell,Word!’)
• >>>print('aa\nbb')                      aa 换行  bb
• >>>print(‘Hell‘，’Word!’)
• >>>print(‘Hell‘    ’Word!’）

 

•  >>> a="str"

                      >>> print(a)

                        str

 

•  >>> input("please input your choice:")
• please input your choice:1
• >>> choice=input("please input")
• please input123
• >>> print(choice)
• >>> choice
• >>> print("age:"+10)
• Traceback (most recent call last):
•   File "<stdin>", line 1, in <module>
• TypeError: must be str, not int
• >>>
• >>> print("age:",10)
• age: 10
• >>> age=10
• >>> print("age:",age)
• age: 10
• print(rest)
• str01="//n"
• str02="%%%s"
• true    1
• false   0
• a +=1         ==>        a=a+1
• if "ac" not in "abc":
• print(1);