substring python 3 code example
Example 1: python substring
>>> x = "Hello World!"
>>> x[2:]
'llo World!'
>>> x[:2]
'He'
>>> x[:-2]
'Hello Worl'
>>> x[-2:]
'd!'
>>> x[2:-2]
'llo Worl'
Example 2: python extract substring
# string [start:end:step]
string = "freeCodeCamp"
print(string[0:len(string)-1]) # freeCodeCam
print(string[0:5]) # freeC
print(string[2:6]) # eeCo
print(string[-1]) # p
print(string[-5:]) # eCamp
print(string[1:-4]) # reeCode
print(string[-5:-2]) # eCa
print(string[::2]) # feCdCm