#1. L Strip
#2. R Strip
#3. Replace a string in a statement with another string
# L Strip
Str = input("Enter the String:")
ord_space = ord(' ')
ord_tab = ord('\t')
i = 0
right = 0
while i < len(Str):
if ord(Str[i]) != ord_space and ord(Str[i]) != ord_tab:
right = i
break
i+=1
Str = Str[right:]
print('LStrip String:',Str,end='#',sep='')
# R Strip
Str = input("Enter the String:")
ord_space = ord(' ')
ord_tab = ord('\t')
i = len(Str)-1
right = 0
while i > 0:
if ord(Str[i]) != ord_space and ord(Str[i]) != ord_tab:
right = i
break
else:
i-=1
Str = Str[:right+1]
print("#", Str, "#", sep='')
# Replace a string
#MSD --> Dhoni
#MSD is Former Indian Captain. MSD is retired. MSD plays for CSK
sen = 'MSD is Former Indian Captain. MSD is retired. MSD plays for CSK - MSD'
Key = 'MSD'
New_sen = ''
Key_Len = len(Key)
i=0
while i< len(sen):
if Key == sen[i:i+Key_Len]:
print('i',i)
New_sen = New_sen + 'Dhoni'
i+=Key_Len
else:
New_sen = New_sen + sen[i]
i+=1
print(New_sen)
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