Slicing a String

☞String slices refers to part of a string containing some contiguous characters from the string.

☞Slicing a String Using Slice Operator [ : : ] :

Syntax : 
 
<string> [begin_index : end_index : step]
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
I N S P I R E W E B S O F T
-16 -15 -14 -13 -12 -11 -10 -9 -8 -7 -6 -5 -4 -3 -2 -1
Example : 
 
S="INSPIRE WEB SOFT"
print(S[6:13])
print(S[6:20])
print(S[2:-2])
print(S[-6:14])
print(S[-6:20])
print(S[-6:8:-1])
print(S[2:14:2])
Output : 
 
E WEB S
E WEB SOFT
SPIRE WEB SO
B SO
B SOFT
BE
SIEWBS

☞Reversing a String Using Slice Operator [ : : ] :

Example : 
 
S="INSPIRE WEB SOFT"
print(S[15:0:-1])               #I will not include
print(S[15::-1])
print(S[len(S)::-1])
print(S[::-1])
print(S[20::-1])
Output : 
 
TFOS BEW ERIPSN
TFOS BEW ERIPSNI
TFOS BEW ERIPSNI
TFOS BEW ERIPSNI
TFOS BEW ERIPSNI