python reverse substring code example

Example 1: how to reverse a string in python

# in order to make a string reversed in python 
# you have to use the slicing as following

string = "racecar"
print(string[::-1])

Example 2: how to print an input backwards in python

str="Python" # initial string
stringlength=len(str) # calculate length of the list
slicedString=str[stringlength::-1] # slicing 
print (slicedString) # print the reversed string

Example 3: string reverse in python

str1="Hello"
#if u want to take length input from user then use the next line 
#n=int(input("enter the no of elements: ")) #this one 

#if u don't wanna ask user the length then directly use this next line
n=len(str1)

for i in range(-1,-(n+1),-1):
        print(str1[i],end='')
#prints olleh