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How to Prevent Newline Insertion in Python\'s Input Functions?

Susan Sarandon
Susan SarandonOriginal
2024-10-26 15:50:30859browse

How to Prevent Newline Insertion in Python's Input Functions?

How to Avoid New Line Insertion in Input Functions

While using the input function in Python, it's often desirable to prevent it from automatically adding a newline after the user's input. This allows for a more seamless flow in certain scenarios.

To achieve this, many Python users are familiar with the method of suppressing the newline character in print statements using a trailing comma. However, the same technique doesn't apply when dealing with input functions like raw_input in Python 2.x or input in Python 3.x.

Understanding the Issue

When using raw_input (or input), a new line character (represented as 'n') is consistently appended after the user's input. This can be problematic in situations where the prompt needs to follow on the same line as the input, like in the following example:

print "Hello, "
name = raw_input()
print ", how do you do?"

Result:

Hello, Tomas
, how do you do?

Desired Result:

Hello, Tomas, how do you do?

Overcoming the Limitation

Method 1: Using a Custom Approach

As mentioned by Ferdinand Beyer, it's fundamentally not possible to eliminate the newline character directly from raw_input or input. However, there's a workaround that involves a customized approach.

By leveraging terminal control sequences '

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