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camelCase in Python

Suppose we have a list of words, we have to concatenate them in camel case format.

So, if the input is like ["Hello", "World", "Python", "Programming"], then the output will be "helloWorldPythonProgramming"

To solve this, we will follow these steps −

  • s := blank string

  • for each word in words −

    • make first letter word uppercase and rest lowercase

    • concatenate word with s

  • ret := s by converting first letter of s as lowercase

  • return ret

Let us see the following implementation to get better understanding −

Example

 

class Solution:
   def solve(self, words):
      s = "".join(word[0].upper() + word[1:].lower() for word in words)
      return s[0].lower() + s[1:]
ob = Solution()
words = ["Hello", "World", "Python", "Programming"]
print(ob.solve(words))

Input

["Hello", "World", "Python", "Programming"]

Output

helloWorldPythonProgramming