# exp1.py3  first example simple output integer, string, double
#           note  #  makes rest of line a comment

i = 7                 # declare variable i with initial value 7
ac = 'a'              # single character  no type required
msg = "sample string" # declare msg with string in quotes
x = 37.95             # declare floating point x with initial value
y = 127.34e10         # declare double precision with initial value
print("exp1.py3 running")  # simple print title
print("i=", i)             # for decimal
print("ac=", ac)           # for character
print("msg=",msg)          # for string
print("x=",x)              # for simple floating point
print("y=",y)              # for double with exponent
print("x=%6.3f"%(x))       # using format
print("y=%g"%(y))          # using format