Python: Move all spaces to the front of a given string in single traversal
Python String: Exercise-71 with Solution
Write a Python program to move all spaces to the front of a given string in single traversal.
def moveSpaces(str1): no_spaces = [char for char in str1 if char!=' '] space= len(str1) - len(no_spaces) # Create string with spaces result = ' '*space return result + ''.join(no_spaces) s1 = "Python Exercises" print("Original String:\n",s1) print("\nAfter moving all spaces to the front:") print(moveSpaces(s1))
Original String: Python Exercises After moving all spaces to the front: PythonExercises
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Python: Tips of the Day
What is the difference between Python's list methods append and extend?
append: Appends object at the end.
x = [1, 2, 3] x.append([4, 5]) print (x)
[1, 2, 3, [4, 5]]
extend: Extends list by appending elements from the iterable.
x = [1, 2, 3] x.extend([4, 5]) print (x)
[1, 2, 3, 4, 5]
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