message = "Hello World!"
print(message)message = "Hello World!"
print(message)
message = "Hello Python World!"
print(message)name = "Eric"
print(f"Hello {name}, would you like to learn some Python today?")name = "Chen hua"
print(name.lower())
print(name.upper())
print(name.title())print('Albert Einstein once said, “A person who never made a mistake never tried anything new.”')famous_person = "Albert Einstein"
message = f'{famous_person} once said, “A person who never made a mistake never tried anything new.”'
print(message)name = "\tChen Hua\n"
print("Unmodified:")
print(name)
print("\nUsing lstrip():")
print(name.lstrip())
print("\nUsing rstrip():")
print(name.rstrip())
print("\nUsing strip():")
print(name.strip())print(4+4)
print(10-2)
print(2*4)
print(16//2)favorite_number = "6"
message = f"My favorite number is {favorite_number}."
print(message)#2022.1.26 by -辰华-
#我最喜欢的数
favorite_number = "6"
message = f"My favorite number is {favorite_number}."
print(message)
终端是Linux里的叫法，在Windows里叫做命令提示符，可以用快捷键win+r打开，然后在运行框输入cmd，按回车键，输入python，再按回车键便进入python的交互模式。
