varx<-TRUE
vary<-FALSE
print(!vary)
print(varx&vary)
print(varx|vary)
isTRUE(vary)
vara<-5
if(vara>4)
{
    print(varx)
}else
{
    print(vary)
}
x<-switch(
3,
"first",
"second",
"third",
"fourth"
)
print(x)
v<- LETTERS[1:26]

    for (i in v) 
    {
        print(i)
        }
values<- c("while loop")
count <- 5

while (count < 7) {
print(values)
count=count + 1
}
b<- ("repeat loop")
count<- 2

repeat{
    print(b)
    count<- count + 1
    
    if(count > 7){
        break
        }
        }