print("=%s=" % 1)
print("=%s=%s=" % (1, 2))
print("=%s=" % (1,))
print("=%s=" % [1, 2])

print("=%s=" % "str")
print("=%r=" % "str")

try:
    print("=%s=%s=" % 1)
except TypeError:
    print("TypeError")

try:
    print("=%s=%s=%s=" % (1, 2))
except TypeError:
    print("TypeError")

try:
    print("=%s=" % (1, 2))
except TypeError:
    print("TypeError")