A, print output
The default print output is the new line, if you want to achieve does not wrap need to add at the end of the variable end = ""
Such as:
print output
After the implementation of the default print wrap
Such as:
print executing the default line break
print sep separator
Such as:
Separator
Scenario: the amount of consumption Output
Application delimiter
print the output to a file
The output to a file
Two, input input
print output, input receiving an input keyboard
input () function, built-in functions are python, receive any type of input data, all the data input, for processing is defined as a string, and returns the string type.
** such as: ** Enter the name, gender input, and print; enter more complicated
input input
Simplification: Enter the name, gender input, and print
input reduced input
In python3 in input () received a default str type. All characters entered, the system will be as string
The **: ** inputs two numbers, the sum of the sum of two numbers
input input
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eval函数特点：
1 只能一次输入多个函数，不能是字符串
2 输入后自动转为int类型
如：输入两个数，求两个数之和
eval函数
所以类似于 num01, num02 = 100, 200