string_test.py

s1 = 'string1'
s2 = 'string2'

print(s1 + s2)
print(s1 * 20)
#s[0] = 's' Error

print(-11 // 10) # -2
print(-11 % 10) # 9

for x in range(5): #0,1,2,3,4
    print(x)

for y in range(1, 5): #1,2,3,4
    print(y)