如何在 Python 3 中获取多行的用户输入？

Question

我知道常规输入函数可以接受单行，但是一旦您尝试编写一个字符串段落并按下回车键进入下一行，它就会终止。 是否有一种初学者友好的方式来接受多行用户字符串输入作为变量？

Answer 1

在程序中执行此操作的一种常见方法是使用“I'm done”字符串（例如单个句点），并继续逐行读取，直到读取的行与该字符串匹配。

print("Enter as many lines of text as you want.")
print("When you're done, enter a single period on a line by itself.")

buffer = []
while True:
    print("> ", end="")
    line = input()
    if line == ".":
        break
    buffer.append(line)
multiline_string = "\n".join(buffer)

print("You entered...")
print()
print(multiline_string)

Answer 2

你可以使用 sys 库来做到这一点

import sys
x = sys.stdin.read()

Answer 3

def processString(x):
    print(x.replace('process','whatever'))

lines = ""
while True:
    if lines == "":
        lines = ""
        print("Enter string:")
    x = input()
    if x == "" and lines != "":
        processString(lines)
        break
    else:
        lines += x

# then hit enter once after multi-line string to process it

Answer 4

import sys
s = sys.stdin.read()
# print(s) # It will print everything 
for line in s.splitlines(): # to read line by line
    print(line)

Answer 5

[input() for i in range(int(input()))]

对于 n 多行用户输入，列表中的每个索引都是用户输入的新行。

Answer 6

Line=""

while True:

    x=input()

    Line=Line+" "+x

    if "." in x:

        break

print(Line)