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print()功能用于在屏幕上打印消息。
例子:
# python print()函数示例 # 打印文字 print("Hello world!") print("Hello world!") print("I\'m fine!") # 打印变量的值 a = 10 b = 10.23 c = "Hello" print(a) print(b) print(c) # 打印文字 with variable's values print("Value of a = ", a) print("Value of b = ", b) print("Value of c = ", c)
输出
Hello world!Hello world! I'm fine! 10 10.23 Hello Value of a = 10 Value of b = 10.23 Value of c = Hello
参见上面程序的输出,print()函数以换行符结尾,下一个print()函数的结果在换行符(下一行)中打印。
end是print()函数中的可选参数,其默认值为'\ n',表示print()以换行符结尾。我们可以指定任何字符/字符串作为print()函数的结束字符。
例子:
# 带有结束参数示例的python print()函数 # 以空格结尾 print("Hello friends how are you?", end = ' ') # ends with hash ('#') 特点 print("I am fine!", end ='#') print() # 打印新行 # 以nil结尾(即没有结束字符) print("ABC", end='') print("PQR", end='\n') # 以新行结尾 # 以字符串结尾 print("This is line 1.", end='[END]\n') print("This is line 2.", end='[END]\n') print("This is line 3.", end='[END]\n')
输出
Hello friends how are you? I am fine!# ABCPQR This is line 1.[END] This is line 2.[END] This is line 3.[END]