Input white spaces

#1

why sir hd taken an exclamatry mark in while(ch!=$)

#2

hi @agarwaldaksh360_2bae042448e62c08 as he needs to count all the chars before dollar
so we wrote while(ch != '$') by this it will count till dollar

#3

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#4

oh oh so ‘!’ means ‘‘till’’

#5

@agarwaldaksh360_2bae042448e62c08 ! means not, while char not equal to $

#6

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