What if I learn only python and c language is it enough ?

Answer 1

The most important question here is: enough for what? I mean, depending on your goals they might be enough or you may need to consider other things.

Answer 2

Python is usually used in web development, machine learning, scripting, or when you want to mock up something quickly. C is used most commonly for embedded systems development, which is already something I don't assume you would even think of doing.

Sure, there are some general-purpose programming languages like C++, C# or Java, but it all depends on what type of application are you planning to create. For example, websites use JavaScript, Android uses Java/Kotlin, iOS uses Swift/Objective-C, Windows uses C#/F#/VB or any .NET language. You get the idea